Search Results — 2000 specimen records retrieved (1608 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=ORANGE; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA609047  Abronia maritima Louis C. Wheeler 1932-6-25 866 Orange Newport Bay. 0 Comment
  UC1280004  Abronia maritima Peter H. Raven 1957-9-28 11392 Orange Huntington Beach Comment
  HSC16138  Abronia umbellata B. Francis 1964-5-2 41 Orange Newport Beach Comment
  IRVC29759  Abronia umbellata Barry S. Nerhus, Mark A. Elvin 2006-11-4 12 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  UCR207194  Abronia umbellata O. F. Clarke 2004-7-19 s.n. Orange South Coast, Least Tern Reserve, just north of the mouth of the Santa Ana River, Huntington Beach 4 Comment
  UCR140879  Acacia cyclops Robert DeRuff 1987-1 294 Orange Southern Coast, Newport Beach, Upper Newport Bay, on Castaway's Bluff 24 Comment
  RSA450873  Acacia saligna Fred M. Roberts 1984-3-15 1260 Orange Newport Beach; Upper Newport Back Bay, along Back Bay Drive, 3.0 km. W UC Irvine campus center; 1.0 km. SSW Bayview School. 2 Comment
  IRVC22668  Acer macrophyllum Fred M. Roberts 1985-5-9 1729 Orange Santa Ana Mountains: Upper McVicker Canyon, 1.8km NE Los Pinos Peak. Peninsular Ranges 1113 Comment
  IRVC9265  Acer macrophyllum B. Gittins 1963-4-18 171 c Orange Santa Ana Mtns: Silverado Cyn. Peninsular Ranges Comment
  JEPS42668  Acer macrophyllum John Thomas Howell 1927-7-26 2839 Orange Claymine Canyon Santa Ana Mts., Claymine Canyon 304 Comment
  RSA0013961  Achillea millefolium Fred M. Roberts 2008-5-14 6969 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Cyn. below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 377 Comment
  RSA689446  Achillea millefolium Scott D. White, Amanda Duchardt 2003-4-10 9008 Orange Santa Ana Mountain Foothills: Ridges & east-facing canyons above Trampas Canyon. 122 Comment
  RSA699744  Achillea millefolium var. californica Fred M. Roberts, David Bramlet 2003-5-15 5875 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 1.41km SSW Gato Gate and 0.35km NNW of SDG&E substation. 122 Comment
  SD218336  Acmispon glaber Mark A. Elvin 2004-5-2 3406 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7 km (air) NNW UC Irvine campus center. 3 Comment
  SEINET5327567  Acmispon strigosus var. strigosus I. W. Clokey 1932-3-1 5328 Orange Laguna Beach; Bluff facing Ocean Comment
  JEPS9162  Acourtia microcephala L. M. Booth 1932-8-4 1243 Orange Newport Bay Comment
Read comments
May 27 2017
  POM50881  Acourtia microcephala L. R. Abrams 1901-06 1855 Orange Trabuco Canyon Comment
  UCR193785  Acourtia microcephala A. C. Sanders, Fred M. Roberts 2008-7-3 35674 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 415 Comment
  CAS-BOT-BC133135  Adenostoma fasciculatum John Thomas Howell 1927-7-29 2873 Orange On N. side of Santa Ana [Canon] Canyon 243 Comment
  RSA750003  Adenostoma fasciculatum A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35319 Orange Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir 346 Comment
  RSA790698  Adenostoma fasciculatum Jeanne Paxton 1934-4-21 5 Orange Modjeska Canyon. PR8. Comment
  UCR252214  Adenostoma fasciculatum Amanda C. Swanson 2013-4-21 24 Orange Peninsular Range; Santa Ana Mtns., hiking trail across from Tucker Wildlife Sanctuary, less than 0.1 mi. from trailhead 434 Comment
  CDA21565  Adiantum capillus-veneris Mark A. Elvin, D. G. Kelch 2006-12-9 5323 Orange Southern Coastal; Newport Backbay; along Bayside Drive ca. 100 miles west of Eastbluff Drive. Comment
  RSA739279  Adiantum capillus-veneris R. E. Riefner 2008-7-9 08 -228 Orange Orange County: city of Newport Beach, N Star Beach, vicinity of N Star Ln and White Cliffs Dr. 4 Comment
  SEINET7249212  Adiantum capillus-veneris R. E. Riefner Jr. 2012-1 12 -43 Orange City of Laguna Beach, Treasure Island Beach, vicinity of Wesley Drive and South Coast Highway. 1 Comment
  POM122866  Adiantum jordanii Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon Comment
  RSA749641  Adiantum jordanii D. E. Bramlet 2008-4-1 4139 Orange Ridegeline in Upper Hicks Canyon, 136m S of the Haul Rd. 345 Comment
  RSA773506  Adiantum jordanii Fred M. Roberts 1999-5-14 5226 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 490 Comment
  RSA716089  Aeonium Fred M. Roberts 2006-7-27 6396 Orange San Joaquin Hills: Laguna Beach, Temple Hill, 731 Nyes Place, 1.0km NNE Golf Island. 174 Comment
Read comments
Dec 21 2019
  UCR186583  Aeonium Robert DeRuff 1992-4-29 433 Orange Southern Coast, Newport Beach, Newport Back Bay, Castaways Bluffs 2 Comment
  RSA695487  Ageratum houstonianum Ruth Greenwald, Virginia Pritchard 1938-05 s.n. Orange Santa Ana. Comment
  RSA0000839  Agoseris cinerea L. R. Abrams 1901-06 1816 Orange Mt. Santiago Trail Comment
  RSA637486  Agoseris retrorsa Valerie L. Soza, LeRoy Gross 1999-6-10 513 Orange Santa Ana Mountains: Southwestern extension of Modjeska Peak, off Main Divide Road. 1524 Comment
  RSA0053702  Agrostis avenacea Chris E. True 2013-5-2 s.n. Orange Bommer Canyon, NW of Aliso Viejo. 104 Comment
  SEINET241816  Agrostis gigantea J. T. Howell 68 Orange CULTIVATED; Botany Garden, Rancho Santa Ana. 152 Comment
  CAS-BOT-BC138654  Agrostis stolonifera Carl B. Wolf 1932-6-13 3722 Orange Fullerton, Malvern & Nicholas Aves. 53 Comment
  JEPS73752  Agrostis viridis Lawrence M. Booth 1932-6-7 1163 Orange Newport Bay Comment
  RSA414866  Albizia lophantha Albert J. Perkins 1914-1-1 s.n. Orange Between (illegible) Beach and Aliso Canyon. Comment
  RSA443849  Allium haematochiton Karlin G. Marsh 1984-2-14 s.n. Orange Casper s Regional Park: just south of Lower Lucas Canyon, ca. 135 m. 135 Comment
  UCR132990  Allium haematochiton Adrian Wolf 2000-5-4 466 Orange Santa Ana Mtns., North Ranch Policy Plan Area, ridgeline between upper Gypsum and Fremont Canyon, Main Divide Road, overlooking upper Fremont Cyn. 726 Comment
  CAS-BOT-BC135855  Allium haematochiton D. E. Breedlove 1962-3-9 1788 Orange 12.3 miles east of San Juan Capistrano on State 74. 243 Comment
  RSA0063248  Allium marvinii Gordon Marsh, Karlin G. Marsh 1978-5-13 s.n. Orange Santa Ana Mountains: Coal Canyon; Ridge along Main Divide Road, S portion of acreage. 732 Comment
  RSA0051391  Allium praecox Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49664 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  RSA144  Alnus rhombifolia J. T. Howell 1927-7-21 452 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  UC484252  Alnus rhombifolia C. B. Wolf 1931-3-6 1855 Orange Trabuco Camp Grounds Santa Ana Mts., Trabuco Canyon (w slope of mts.) Comment
  UCR26948  Alnus rhombifolia E. W. Lathrop 1966-3-23 6100 Orange Santa Ana Mtns, Cleveland National Forest, Trabuco District. 4 mi. NE of Lake Irvine, Black Star Canyon Comment
  SD153014  Aloe chabaudii Steve Boyd, T. Ross 1992-5-20 7470 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, western edge of wilderness in Lucas Canyon, about old mining habitations in side canyon, upstream Ao mile from Lucas Canyon Trail crossing. 390 Comment
  RSA655019  Alopecurus saccatus D. E. Bramlet 1998-5-17 2618 Orange Fairview Park, City of Costa Mesa. The site is located some 366m N of the intersection of Wilson and Canyon Dr. and 152 m W of the Canyon School, on a mesa overlooking the Santa Ana River., 37 24 760m. N X 4 12 810m E. 24 Comment
  UCR197685  Amaranthus A. C. Sanders, Fred M. Roberts 2008-9-18 36063 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  CLARK-A1528-917  Amaranthus albus Patricia A. Andrews 1975-6-26 5914 Orange Capistrano Bay Beach 9 Comment
  UCR44898  Amaranthus albus B. G. Pitzer, L. F. LaPre 1986-10-20 0313 Orange City of Irvine, Drainage channel near intersection of Irvine Blvd. and Sand Canyon Avenue. 91 Comment
  UCD97187  Amaranthus albus Ira L. Wiggins 1966-5-4 20658 Orange Along railroad embankment of A.T. and S.F.R.R., on southwest side of Orangethorpe Avenue, near Esperanza siding. Comment
  RSA696430  Amaranthus blitoides Keith E. Hoffmaster 1927-05 289 Orange Santa Ana Comment
  RSA719405  Amaranthus blitoides Fred M. Roberts, Robert L. Allen 2006-10-8 6430 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  UCR44905  Amaranthus blitoides B. G. Pitzer, L. F. LaPre 1986-10-20 0314 Orange City of Irvine, Drainage channel near intersection of Irvine Blvd. and Sand Canyon Avenue. 91 Comment
  RSA573430  Amaranthus blitoides Steve Boyd, Timothy S. Ross 1994-9-14 8345 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon trail at stream crossing in Aliso Canyon. 341 Comment
  UCSB50645  Amaranthus retroflexus Roberts, Fred; Allen, R. 1982-7-4 Orange Chino Hills; Carbon Canyon, Carbon Canyon Rd., 0.6 km. by road SW county line; 2.3 km. NNW Gilman Peak 250 Comment
  SEINET2028644 Image available Amblyopappus pusillus Lawrence M. Booth 1932-5-12 1007 Orange Newport Bay Comment
  UC536894  Amblyopappus pusillus Lawrence M. Booth 1932-5-12 1007 Orange Newport Bay Comment
  UCR7733  Amblyopappus pusillus P. Sunderman 1968-5-11 s.n. Orange South Coast, immediately south of Corona del Mar 2 Comment
  RSA0106317  Ambrosia acanthicarpa Lyman Benson 1946-5-13 12091 Orange Corona del Mar. 15 Comment
  CAS-BOT-BC13772  Ambrosia chamissonis David D. Keck 1933-9-8 2542 Orange Sunset Beach Comment
  POM202166  Ambrosia chamissonis L. M. Booth 1932-5-25 1110 Orange Balboa Island [Newport Bay]. Comment
  RSA234502  Ambrosia chamissonis James Henrickson 1970-7-24 5015 Orange 3 miles NW of Huntington Beach on sandy ''Rabbit'' Island in Bolsa Chica Salt March near Inner Bolsa Bay. 1 Comment
  UC536897  Ambrosia chamissonis Lawrence M. Booth 1932-5-25 1110 Orange Balboa Island Comment
  UCR17120  Ambrosia chamissonis Steve Kulju 1974-5-27 s.n. Orange South Coast, Sunset Bay, 1 mile SE of the city of Seal Beach on State Hwy 1 5 Comment
  UCR209660  Ambrosia chamissonis Fred M. Roberts 2008-5-16 6976 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, along north slopes above Dana Strand Beach, 0.8 km west-northwest of the Marine Institute, Dana Point Harbor 45 Comment
  RSA416942  Ambrosia chamissonis A. M. Johnson 1931-3-21 3817 Orange Newport. Comment
  POM324260  Ambrosia chamissonis var. chamissonis Barbara L. Wilson 1967-6-3 22 Orange Laguna Beach. 30 Comment
  RSA264443  Ambrosia chenopodiifolia C. W. Tilforth 1976-10-21 1229 Orange Slopes above Santa Ana River Canyon on Rancho Santa Ana. Comment
  SD241729  Ambrosia psilostachya T. B. Salvato 2010-9-27 5121 Orange South Coast: Dana Point Headlands, Harbor Point Park, south of Scenic Drive and Cover Road, beyond the end of Green Lantern Street, overlooking Dana Point Harbor (Dana Point 7.5'Q) 60 Comment
  UCR195701  Ambrosia psilostachya A. C. Sanders, Fred M. Roberts 2008-8-7 35990 Orange Peninsular Range; Santa Ana Mtns., lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 192 Comment
  UCR197676  Ambrosia psilostachya A. C. Sanders, Fred M. Roberts 2008-9-18 36073 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  UCR224155  Ambrosia psilostachya Fred M. Roberts 2008-7-10 7066 Orange South Coast, Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8 km west norhwest of Marine Institute, Dana Point Harbor 45 Comment
  RSA666104  Ammannia coccinea Fred M. Roberts, Michelle Lee 2001-6-4 5488 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. (Canada Gobernadora. 226 Comment
  RSA753029  Ammannia coccinea A. C. Sanders, Fred M. Roberts 2008-9-18 36095 Orange Lomas de Santiago, Santiago Creek Canyon c. 0.5-0.8 miles above the highway bridge 300 Comment
  CAS-BOT-BC180616  Amorpha californica var. californica L. R. Abrams 1901-6-1 1828 Orange Santa Ana Mts. Comment
  UC1137526  Amorpha californica var. californica A. Lewis 1934-5-1 419 Orange Trabuco Canyon Cleveland National Forest, Elsinore Quadrangle 1341 Comment
  UCR138407  Amorpha fruticosa Scott D. White, Brian Leatherman 1997-6-12 5329 Orange Santa Ana Mtn. foothills, E of San Juan Capistrano: San Juan Creek between Hwy 74 bridge and Mission Vieja site, i.e. c. 2-4 mi east of Hwy I-15/Hwy 74 junction 76 Comment
  RSA0089442  Amsinckia intermedia Helen D. Geis 1902-03 s.n. Orange Santiago Creek Canyon. Comment
  RSA0089446  Amsinckia intermedia Daniel Truong 1991-5-5 10 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of closed area. Comment
  UCD119276  Amsinckia intermedia Francia Chisaki 1957-4-3 926 Orange 6 miles S of Irvine, just S of El Toro near top of hill on Highway 101. Comment
  IRVC22198  Amsinckia menziesii var. intermedia Fred M. Roberts 1985-4-8 1636 Orange San Joaquin Hills, Turtle Rock area, hill 1.1km SE French Hill, Irvine 196 Comment
  IRVC224  Amsinckia menziesii var. intermedia McGuire 1965-5-1 Orange Corona del Mar. Newport Beach Comment
  IRVC201  Amsinckia menziesii var. intermedia S. Parks 1965-4-6 Orange Newport Back Bay. Newport Beach Comment
  IRVC22644  Amsinckia menziesii var. intermedia B. Jaroslow 1986-3-26 2 Orange Bell Canyon, 2.1km NW Visitor Center, Casper's Regional Park 130 Comment
  RSA708285  Anagallis arvensis Scott D. White, Jennifer H. Jones 2005-3-31 10858 Orange South Coast: City of Laguna Beach. 549 Nyes Place. Proposed home site on ca. 0.5 acre. 91 Comment
  RSA465158  Anagallis arvensis N. C. Cooper 1944-6-4 1353 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA659985  Anagallis arvensis Steve Teh 1994-5-20 26 Orange Modjeska Grade rd. Fire road trail head. Comment
  JEPS12263  Anemopsis californica Alice King June, 1908 Orange Santa Ana Comment
  RSA0042764  Anemopsis californica Fred Roberts 2012-7-18 7671 Orange San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill. 37 Comment
  RSA750120  Anemopsis californica A. C. Sanders, Fred M. Roberts 2008-8-7 35986 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 185 Comment
  JEPS104670  Anemopsis californica John L. Morrison 1937-6-22 2594 Orange marsh between the road (Hwy 101) and the ocean Comment
  POM47581  Anemopsis californica I. M. Johnston 1924-8-29 s.n. Orange 4 mi S of Santa Ana. Comment
  RSA0037236  Anemopsis californica Dorothy Parsons 1932-5-11 s.n. Orange Santa Ana road. CP3. Comment
  RSA587885  Anemopsis californica Fred M. Roberts 1990-5-8 4614 Orange Chino Hills: Soquel Canyon, ca. 1.2 km NNW of Gilman Peak. 240 Comment
  RSA652673  Anemopsis californica R. Spence 1974-8-13 s.n. Orange Upper Newport Bay. Hillsides around Bay. Comment
  IRVC7985  Anthemis cotula T. W. Mulroy 1973-5-31 1901 Orange near Sand Canyon Reservoir. San Joaquin Hills Comment
  RSA226628  Anthemis cotula Christopher Davidson, Gerald L. Benny 1971-6-15 s.n. Orange Brea Canyon, 0.5 mile N of Central Avenue, along Brea Creek, near Brea Oil Co. wells. Comment
  UCR186365  Anthriscus caucalis Robert DeRuff 1995-4-30 483 Orange Southern Coast, Newport Beach, Newport Back Bay, at and above intersection of San Joaquin Hills Rd. and Backbay Dr. 2 Comment
  RSA539362  Antirrhinum coulterianum Fred M. Roberts, Carol A. Roberts 1988-6-9 4075 Orange Santa Ana Mountains: Main Divide Truck Trail, saddle between Modjeska Peak and Santiago Pk., 0.5 km Ee summit of Modjeska Pk. 1445 Comment
  RSA594820  Antirrhinum coulterianum Fred M. Roberts, Sandra Leatherman, Brian Leatherman 1994-4-24 4914 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA650901  Antirrhinum kelloggii R. S. Woglum 1932-4-16 s.n. Orange Trabuco Canyon, Santa Ana Mountains, Cleveland National Forest Comment
  CAS-BOT-BC354305  Antirrhinum multiflorum R. E. Riefner, Jr. 2007-6-29 07 -286 Orange Irvine Ranch Reserve, North Irvine Ranch, East Fork of upper Fremont Canyon along Black Star SCE Rd. 594 Comment
  RSA737898  Antirrhinum multiflorum R. E. Riefner 2008-6-17 08 -159 Orange Irvine Ranch Reserve, N Irvine Ranch, Middle Fremont Canyon along Black Star SCE road. 618 Comment
  UCR192112  Antirrhinum nuttallianum A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35315 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir 346 Comment
  UCR91395  Antirrhinum nuttallianum Scott D. White 1995-3-9 2541 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Lower San Juan Picnic Area, just north of Hwy 74 396 Comment
  RSA80436  Antirrhinum nuttallianum subsp. nuttallianum F. W. Peirson 1923-5-5 4489 Orange Trabuco Canyon, Santa Ana Mountains 518 Comment
  RSA542506  Antirrhinum nuttallianum subsp. nuttallianum Fred M. Roberts 1987-4-28 3393 Orange IRVINE: San Joanuin Hills, lateral to Upper Sand CAnyon, 2.3 km SE French Hill. 107 Comment
  CAS-BOT-BC447685  Aphanes arvensis P. A. Munz 1918-5-4 2223 Orange Laguna Beach Region, Laguna Canyon Comment
  CAS-BOT-BC171630  Aralia californica James R. Shevock 1976-10-28 5358 Orange Along Silverado Canyon Road int he vicinity of Bigcone Spring, Santa Ana Mts., Cleveland National Forest 914 Comment
  OBI32690  Araujia sericifera O. F. Clarke 1968-8-24 s.n. Orange 2 mi E of Yorba Linda turnoff on Santa ana Cyn rd Comment
  UCR273466  Araujia sericifera Eric Focht 2016-7-8 001 Orange South Coast, University of California Research and Extension Center, 7601 Irvine Blvd., Irvine 13 Comment
  RSA797916  Arbutus menziesii R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49826 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  RSA629342  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15522 Orange North of El Cariso on road to Los Pinos Pk, 3.8 km north of Hwy 74. 1000 Comment
  UCD50872  Arctostaphylos glandulosa H. A. Jensen 1937-11-4 415 Orange At head of Trabuco canyon; Cleveland National Forest. 1188 Comment
  UCR273489  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42605 Orange Peninsular Range; Santa Ana Mountains, North Main Divide Road (Forest Rte 3S04) between Hwy 74 and Los Pinos Spring, 1.7 km NW (312 deg. ) of El Cariso Fire Station 959 Comment
  POM254919  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-6-19 s.n. Orange Head of West Ladd Canyon, Santa Ana Mts. Comment
  SD247631  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49708 Orange Northern Santa Ana Mountains; Sierra Peak. 900 Comment
  UC1137195  Arctostaphylos glandulosa subsp. zacaensis Willis E. Pequegnat 1940-6-12 Orange Main Divide Rd e Los Pinos Peak; Cleveland National Forest, Elsinore Quadrangle, Santa Ana Mt 1371 Comment
  SEINET10449341  Arctostaphylos glandulosa var. glandulosa James S. Miller 2001-12-15 Miller 10653 Orange Rancho Santa Ana Botanic Garden, Santa Ana, CA. Comment
  RSA303426  Arctostaphylos glauca var. glauca J. R. Shevock 1970-1-21 612 Orange Modjeska Cyn. 305 Comment
  RSA0025295  Arctotheca prostrata R. E. Riefner Jr. 2013-7-6 13 -125 Orange City of Irvine, Irvine Valley College, Irvine Center Dr. near College St. 37 Comment
  RSA652146  Argemone munita J. Bruce Smiley 1940-5-7 s.n. Orange Santa Ana Wash. 457 Comment
Read comments
Mar 10 2013
  CAS-BOT-BC401732  Argemone munita subsp. robusta Gerald B. Ownbey; Findley Ownbey 1954-7-2 2177 Orange Between Modjesca Peak and Santiago Peak 1524 Comment
  RSA0004622  Argemone munita subsp. robusta Carl B. Wolf 1933-8-24 5403 Orange open areas along the firebreak at the Summit of Santiago Peak. 1732 Comment
  RSA0013950  Aristida adscensionis Fred M. Roberts 2008-4-24 6929 Orange Lomas de Santiago: Loma Ridge, lower Hicks Cyn. 350 meters east of Haul Rd., 1.9 km E Rattlesnake Cyn. Reservoir dam and 2.1 km W Bee Peak. Irvine Ranch Conservancy. 180 Comment
  RSA542373  Aristida adscensionis Fred M. Roberts, T. Sholars, B. Stechmeyer s.n. Orange Santa Ana Mountains: Hot Sprinngs Canyon. 1.3 kilometers N Highway 74 by road, 0.7 kilometers NW Juan Rancho Survey Mark., UTM 3717900m N, 452700m E 274 Comment
Read comments
Jul 12 2013
  RSA682760  Aristida purpurea Scott D. White, Amanda Duchardt 2003-3-27 8857 Orange Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  UCR138437  Aristida purpurea var. parishii R. E. Riefner Jr. 2000-7-9 20 635 Orange Santa Ana Mtns., Cleveland National Forest, upper drainage of Fremont Canyon along the southern National Forest Boundary; above the powerline 610 Comment
  UC111237  Artemisia biennis Theodore W. Minthorn 1907-8-18 7 Orange Laguna Comment
  CAS-BOT-BC133201  Artemisia californica T. B. Salvato 2010-9-27 5124 Orange South Coast: Dana Point Headlands, Harbor Point Park, south of Scenic Dr. and Cove Rd., beyond the end of Green Lantern St., overlooking Dana Point Harbor 70 Comment
  CAS-BOT-BC90188  Artemisia californica Leila M. Shultz 1980-5-2 4040 Orange foothills south of Diamond Bar 213 Comment
  UCR100185  Artemisia californica Scott D. White 1996-12-20 4634 Orange Santa Ana Mountains, above Modjeska Canyon; proposed water tank site 488 Comment
  UCR92774  Artemisia californica F. M. Reed 1927-11-10 5640 Orange South Coast, Sulfur Slide Hill in Santa Ana River Canyon 150 Comment
  UCSB68454  Artemisia californica Hook, Elizabeth; Tran, Caroline 2006-2-4 Orange Southern Coastal: San Joaquin Marsh; NW bluff edge (Tustin 7.5': 11s -420502E, 3724694N) Comment
  UCR193342  Artemisia douglasiana A. C. Sanders, Fred M. Roberts 2008-6-17 35461 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Hicks Canyon Haul Road 0.5 mi. east of the Foothill Transportation Corridor 244 Comment
  UCSB48242  Artemisia douglasiana Roberts, Fred 1981-7-21 Orange Santa Ana Mtns.; 0.7 km. SE Blue Jay Camp Ground 939 Comment
  RSA731954  Artemisia dracunculoides Fred M. Roberts 2007-12-12 6704 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  UC971735  Artemisia dracunculus L. M. Booth 1932-7-4 1242 Orange Newport Bay Comment
  UCSB23299  Arthrocnemum subterminale Keefe, Joseph 1967-3-26 Orange Newport Bay, on Back Bay Drive, 2.0 miles northeast of junction with Jamboree Drive, Corona del Mar 3 Comment
  CDA23125  Arundo donax Mark A. Elvin, D. G. Kelch 2006-12-9 5310 Orange Southern Coastal; Irvine; San Diego Creek, edge of San Joaquin Marsh, beside University Drive, between Campus Drive and Highway 73. Comment
  RSA695984  Asclepias californica Keith E. Hoffmaster 1936-5-3 s.n. Orange Holy Jim Canyon. Comment
  RSA49951  Asclepias eriocarpa E. K. Balls 1949-6-11 13494 Orange heavy clay and stone, steep dry benches, Rancho Santa Ana 2 mi below entrance to Botanic Garden, Santa Ana River Canyon. 122 Comment
  UCR193029  Asclepias eriocarpa A. C. Sanders, Fred M. Roberts 2008-6-17 35519 Orange Peninsular Range; Santa Ana Mtns., middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 225 Comment
  IRVC18898  Asclepias fascicularis Fred M. Roberts 1981-6-22 281 Orange Hwy 74, 5.2km ENE San Juan Capistrano, Rancho Mission Viejo 100 Comment
  RSA743383  Asparagus asparagoides Fred M. Roberts 2008-5-27 7002 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  IRVC177  Asplenium bulbiferum McGuire 1965-5-4 HS0564 Orange Corona del Mar: Bayside Dr.. Southern Coastal Comment
  RSA93352  Aster bernardinus F. W. Peirson 1924-8-29 5065 Orange roadside 4 miles south of Santa Ana. Comment
  CAS-BOT-BC180489  Astragalus brauntonii Richard Snow 1957-7-25 59 -2 Orange North slopes of Sierra Peak, Claymine Canyon Truck trail to the peak, Santa Ana Mts. 457 Comment
  RSA0014609  Astragalus brauntonii Justin M. Wood 2010-5-12 1686 Orange Santa Ana Canyon: Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corridor, west of Green River Golf Course of bluff south of the river. 122 Comment
  RSA699637  Astragalus didymocarpus Keith E. Hoffmaster 1935-4-19 s.n. Orange Santa Ana Mts. (Trabuco Rd.) Comment
  SD254607  Astragalus didymocarpus D. E. Bramlet, J. E. Harrison 2008-4-3 4154 Orange Peninsular Range; Santa Ana Mountains; South Bee Canyon, Bowerman landfill site, 1.2 km south of the Bee Canyon access road and 122 m west of the active landfill. 224 Comment
  IRVC19366  Astragalus didymocarpus var. didymocarpus R. L. Allen 1975-4-20 Orange San Juan Creek bed, 1.4km N La Novia Bridge, 15km W waters edge. San Juan Capistrano Comment
  RSA220982  Astragalus gambelianus E. W. Lathrop 1966-3-23 6102 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA732089  Astragalus gambelianus A. C. Sanders, Fred M. Roberts 2008-3-25 34547 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  UCR222417  Astragalus gambelianus D. E. Bramlet 2008-3-31 4135 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, 282 m east of upper Hicks Haul Rd., tributary of Limestone Canyon, 1 km south of Santiago Canyon Rd. 317 Comment
  RSA549994  Astragalus trichopodus Scott D. White 1992-9-23 859 Orange Vicinity of Olinda, near city of Brea, immediately N of Carbon Cyn Rd & E of Placentia Ave.; ca. 1 mi. (airline) SSE of Tonner Cyn. 183 Comment
  RSA380  Astragalus trichopodus var. lonchus J. T. Howell 1928-2-7 815 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  CAS-BOT-BC194063  Astragalus trichopodus var. lonchus George H. Vansell 1936-5-7 s.n. Orange Trabuca Creek, N of San Juan Capistrano Comment
  UC1980248  Atriplex R. E. Riefner Jr. 2006-10-2 06 -466 Orange City of Lake Forest, N of Portola Pkwy. and immediately W of SR-241 freeway at avocado orchard; vicinity of Tomato Spring. Comment
  UC1980258  Atriplex R. E. Riefner Jr. 2008-3-24 08 -67 Orange City of Seal Beach, Bolsa Chica Salt Marsh, Warner Ave. at Pacific Coast Highway. Comment
  RSA452403  Atriplex californica Albert J. Perkins 1923-05 s.n. Orange Laguna heights Comment
  RSA65352  Atriplex californica F. W. Peirson 1924-2-10 4534 Orange Corona Del Mar Comment
  POM47598  Atriplex californica I. M. Johnston 1924-8-29 s.n. Orange Corona Del Mar Comment
  CHSC26531  Atriplex canescens James Henrickson 1970-7-24 5018 Orange 3 miles NW of Huntington Beach on sandy 'Rabbit' Island in Bolsa Chico Salt Marsh near Inner Bolsa Bay. At south end of sand area. 0 Comment
  POM47599  Atriplex canescens I. M. Johnston 1924-8-29 s.n. Orange Corona Del Mar Comment
  RSA452455  Atriplex canescens Albert J. Perkins 1920-6-12 s.n. Orange Corona del Mar Comment
  UCR193044  Atriplex canescens A. C. Sanders, Fred M. Roberts 2008-6-17 35484 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, East Loma Ridge Spur Road c. 300 m NW of Shoestring Rd. junction, on ridge above tollway, 1.35 mi. SSW of Irvine Lake 398 Comment
  IRVC24454  Atriplex canescens subsp. canescens Fred M. Roberts 1985-11-20 2560 Orange Newport Back Bay, near Camp Survey Mark, Newport Beach 2 Comment
  CDA23240  Atriplex canescens var. laciniata R. E. Riefner Jr. 2006-8-6 06 -377 Orange City of Newport Beach, Newport Bay, San Joaquin Road at Back Bay Drive. Comment
  RSA642506  Atriplex coulteri D. E. Bramlet 1998-7-22 2660 Orange San Juan Hills. 854m west of La Pata Ave. and 1.73km north of Prima Deshecha Canada. The site is located on a ridgeline 457m east of the small, unnamed canyon. 48 Comment
  UCR37775  Atriplex coulteri Steve Boyd 1981-5-13 s.n. Orange South Coast, Pelican Hill, Irvine Ranch Property, San Joaquin Hills south of Corona del Mar 218 Comment
  CDA23271  Atriplex glauca R. E. Riefner Jr. 2006-3-19 Jun- 52 Orange Newport Beach; Avocado Ave. near San Nicolas Dr.; W of MacArthur Blvd. Comment
Read comments
Dec 13 2012
  RSA743559  Atriplex glauca R. E. Riefner 2002-5-4 2 -88 Orange City of Newport Beach, Upper Newport Bay, general vicinity of Bayview Wy. and Bayview Pl. 7 Comment
  SBBG121998  Atriplex glauca R. E. Riefner 2005-12-13 05 -784 Orange ca. 0.5 mi N of Alton Parkway, E side of SR-241; Lake Forest 230 Comment
Read comments
Dec 13 2012
  SD253971  Atriplex lentiformis Jim Riley 2013-12-10 136 Orange San Clemente area; 0.29 miles E intersection Avenida Pico and Camino La Pedriza; just N San Diego County line 74 Comment
  RSA18531  Atriplex lentiformis subsp. breweri C. B. Wolf 1927-7-23 667 Orange Along the coast just north of San Clemente. Comment
  UCR24117  Atriplex lentiformis subsp. breweri John C. Roos 1937-8-31 2556 Orange South Coast, San Clemente Comment
  JEPS59595  Atriplex leucophylla L. M. Booth 1932-8-5 1347 Orange Newport Bay Comment
  SD40196  Atriplex leucophylla Edith A. Purer 1932-8-31 4870 Orange Along Route 101. Comment
  UCR18895  Atriplex leucophylla John C. Roos 1949-10-1 4677 Orange South Coast, Doheny Beach 0 Comment
  RSA638190  Atriplex polycarpa Scott D. White 1998-10-15 7185 Orange Yorba Linda: 1/2 mile south of Telegraph Cyn. Between Ohio St. and Fairmont. Proposed for development 152 Comment
  IRVC16607  Atriplex rosea G. Marsh 1970-6-17 Orange Santa Ana River, south bank near Coast Hwy. Newport Beach Comment
  HSC4356  Atriplex semibaccata J. W. Johnson 1961-3-30 Orange Newport Beach, at base of S cliff along N side of Big Canyon. Comment
  RSA18529  Atriplex semibaccata C. B. Wolf 1927-7-23 668 Orange Along the coast just north of San Clemente. Comment
  RSA248  Atriplex semibaccata J. T. Howell 1927-7-27 483 Orange Near ranch houses, Rancho Santa Ana 152 Comment
  POM201963  Atriplex serenana L. M. Booth 1932-7-25 1315 Orange Santa Ana River 2 miles from ocean. Comment
  IRVC25483  Atriplex serenana var. serenana Fred M. Roberts 1987-7-28 3508 Orange Peter's [Creek] Channel at Barranca Crossing, Irvine 8 Comment
  SBBG119391  Atriplex suberecta T. Perring with T. Pinckard 1994-3-2 Orange Marine Helicopter Station at the corner of Moffett Dr and Jamboree Rd, Tustin 11 Comment
  CDA22915  Atriplex triangularis Mary H. White 2006-9-23 923063 Orange Southern Coastal; San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; southwest edge along San Diego Creek, north of University Drive, east of Highway 73. Comment
  UCR116014  Atriplex triangularis George K. Helmkamp, E. A. Helmkamp 2000-10-18 6231 Orange Newport Bay, South side of the back bay. 6 Comment
  RSA678745  Atriplex watsonii Valerie Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary D. Wallace 2001-4-4 1100 -b Orange Seal Beach National Wildlife Refuge: Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226). 3 Comment
  CAS-BOT-BC146058  Avena barbata Ira L. Wiggins 1966-3-22 20554 Orange Floor of Silverado Canyon about 0.5 mile below entrance to Cleveland National Forest. Comment
  RSA40  Avena barbata J. T. Howell 1927-6-17 166 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  CAS-BOT-BC146154  Avena fatua Ira L. Wiggins 1966-3-1 20481 Orange West edge of California State College at Fullerton Campus. Comment
  RSA681949  Avena fatua Fred M. Roberts, David E. Bramlet 2003-3-7 5566 Orange Donna O'Neill Land Conservancy; West slopes of Christianitos Canyon, Middle Ridge Trail, 0.1km NW Gato Gate. 123 Comment
  RSA697311  Avena fatua Keith E. Hoffmaster 1936-4-14 s.n. Orange Santa Ana Comment
Read comments
Nov 20 2011
  RSA734680  Avena fatua A. C. Sanders, T. B. Salvato 2008-5-13 35336 Orange Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  RSA781941  Avena fatua Mark A. Elvin 2003-2-23 2316 Orange Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  SEINET3919709  Avena fatua Keith E. Hoffmaster 1936-4-14 708 Orange Santa Ana.; 0 Comment
  UCR154264  Avena fatua Mark A. Elvin 2004-5-2 3421 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  RSA0046823  Avena fatua Jason Berkley 1994-5-3 14 Orange Yorba Linda, grassy field off Bastuchury Rd. 50 yds from Casa Loma Ave. Comment
  IRVC20498  Azolla filiculoides Fred M. Roberts, M. L. Polek 1983-11-16 1149 Orange Upper Newport Back Bay, near Bayside Dr., 1.0km SSW Bayview School, 3.0km W UCI campus center, Newport Beach 2 Comment
  UCR210317  Baccharis glutinosa A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37201 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., at Agustine Staging Area 260 Comment
  RSA12829  Baccharis pilularis C. B. Wolf 1934-12-26 6262 Orange Hills and ravines near ocean, S end of town of San Clemente 15 Comment
  RSA731920  Baccharis pilularis Fred M. Roberts, Sandy Leatherman 2007-11-27 6659 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  UCR103720  Baccharis pilularis B. G. Pitzer, T. Tennant 1997-11-8 3376 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland area between Pacific Coast Hwy and the bike trail. 30 Comment
  UCR186682  Baccharis pilularis T. B. Salvato, Katie Kurtz 2006-10-15 1915 Orange South Coast, Irvine, San Diego Creek flood control channel, near Michelson Drive and Harvard Avenue 6 Comment
  RSA292686  Baccharis pilularis James Henrickson 1972-10-21 8047 Orange Eastern Anaheim, 2 blocks E of Imperial Hwy along LA Palma Ave, just N of Santa Ana River. 61 Comment
  SD11869  Baccharis pilularis subsp. consanguinea Carl B. Wolf 1934-12-26 6262 Orange South end of San Clemente. 14 Comment
  CAS-BOT-BC106730  Baccharis salicifolia C. L. Hitchcock; C. V. Muhlick 22118 Orange 1 mi. n. of Brea, at mouth of Brea Canyon, along intermittent stream. Comment
  POM202374  Baccharis salicifolia L. M. Booth 1932-6-9 1179 Orange Santa Ana River, 1 mile from ocean. Comment
  POM350369  Baccharis salicifolia Gale Sphon 1955-3-13 s.n. Orange Silvarado canyon Comment
  SEINET5642637  Baccharis salicifolia Shelby J. Wood 2013-3-6 5 Orange Laguna Hills.; 0 Comment
  JEPS21245  Baccharis salicifolia subsp. salicifolia L. M. Booth 1932-6-9 1179 Orange Coastal Santa Ana River Basin Comment
  CAS-BOT-BC106666  Baccharis salicina Ira L. Wiggins 1965-11-6 20338 Orange Kraemer Oil Estates, near well No. 14, near end of county road constituted by continuation of Orangethorpe Avenue Comment
  UCD129396  Baccharis salicina P. B. Kennedy 1925-1-12 1 Orange Irvine Ranch, on range. Comment
  UCR46557  Baccharis salicina B. G. Pitzer, L. F. LaPre 1986-10-20 0310 Orange Peninsular Range; Santa Ana Mtns., Siphon Reservoir, c. 5 mi NE of Irvine and c. 1 mi NE of intersection Irvine Blvd and Sand Canyon Ave 122 Comment
  SEINET11861792  Baccharis viminea J. F. Bright, Wyman, C. 1933-4-8 8197 Orange near Del Toro Comment
  RSA733821  Barbarea vulgaris Keith E. Hoffmaster 1935-5-5 623 -424 Orange San Juan Canyon., Santa Ana Mts. Comment
  IRVC24276  Bassia hyssopifolia Fred M. Roberts, G. A. Marsh 1985-10-26 2524 Orange Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal 4 Comment
  SEINET238998  Bassia hyssopifolia R. D. Goeden 1965-7-7 Orange Tustin township near Peters Canyon Channel E of Santa Ana Marine Corps Air Station (Tustin 7.5' Q.) 61 Comment
  POM202235  Bassia hyssopifolia L. M. Booth 1932-8-5 1348 Orange West Newport Beach Comment
  POM259529  Bassia hyssopifolia A. C. Keller, F. F. Gander 1938-7-25 s.n. Orange Dike south of San Diego. Comment
  UCSB48040  Bassia hyssopifolia Roberts, Jr., Fred 1981-9-26 Orange Newport Beach: Pacific Coast Highway, 0.3km W Newport Blvd.; 0.4 km. SE Bench Mark 10 3 Comment
  RSA439758  Batis maritima Anstruther Davidson 1907-9-1 1769 Orange Newport Comment
  RSA768518  Batis maritima Justin M. Wood 2009-12-1 1388 Orange Santa Ana River: marsh just upstream of Pacific Coast Highway. 0 Comment
  UCR130498  Batis maritima R. E. Riefner Jr. 2003-8-17 03- 336 Orange South Coast, Costa Mesa, salt marsh along Santa Ana River, west of Talbert Regional Park 11 Comment
  UCSB21667  Batis maritima Keefe, Joseph 1967-3-26 Orange South side of Newport Bay, on Back Bay Drive, 2.0 miles northeast of junction with Jamboree Drive, Corona del Mar 3 Comment
  POM17862  Bebbia juncea Philip A. Munz 1923-7-8 73226 Orange Santa Ana River Canyon Comment
  RSA627788  Beta vulgaris Scott D. White 1998-6-26 6784 Orange South Coast: Univ. of Calif. Irvine Campus. Along mapped intermittent blueline stream just N of Bonita Cyn Dr. 61 Comment
  UCR150565  Bidens laevis Scott D. White, Matt Carlton 2003-11-20 9876 Orange South Coastal Plain, Santa Ana Mtn foothills. San Juan Creek in San Juan Capistrano 37 Comment
  RSA160501  Bidens laevis J. D. Olmsted 1959-9-22 982 Orange Along Santa Ana River N of Sycamore Park along Hwy. 8-9mile WSW of Corona, betw Santa Ana Mts and Puente Hills to Pacific Ocean 137 Comment
  JEPS32527  Bidens pilosa W. L. Jepson 1940-10-6 20181 Orange Horse Bend, Santa Ana Canyon Santa Ana Canyon, Horseshoe Bend Comment
  RSA695712  Bidens pilosa Keith E. Hoffmaster 1926-12-18 s.n. Orange Santa Ana Comment
  RSA730988  Bidens pilosa var. pilosa Fred M. Roberts 2006-11-15 6462 Orange Santa Ana Cyn., 1.0 km ENE Imperial Hwy bridge, between La Palma Ave. and Santa Ana River near Big Springs St. 89 Comment
  UCR194556  Bloomeria crocea A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35329 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 0.3 mi. west of Eastern Transportation Corridor (Hwy 241) and 1.45 mi. east of south end of Walnut Canyon Reservoir 335 Comment
  UCR228783  Bloomeria crocea Dick Newell, Don Millar 2011-5-10 156 Orange Peninsular Range; Santa Ana Mtns., on Lakeview Rd. above Irvine Lake dam 276 Comment
  RSA652084  Bloomeria crocea Shlomo Gat 1959-5-12 38 Orange Hills in Orange county. Comment
  RSA542343  Bloomeria crocea var. crocea Fred M. Roberts, Carol A. Williams 1988-4-12 3923 Orange Lomas de Santiago: Loma Ridge, 3.3 km NW Bolero Lookout. 475 Comment
  UCR251738  Bloomeria crocea var. crocea R. E. Riefner Jr. 2014-5-13 14- 120 Orange South Coast, City of San Clemente, Rancho San Clemente Trail, east c. 0.15 mi. from Ave. Salvador and south c. 0.1 mi. off Utility Access Rd. 239 Comment
  RSA362294  Boisduvalia densiflora Fred M. Roberts 1985-6-7 1861 Orange Santa Ana Mountains: Main Divide Truck trail, 2.2km ESE Los Pinos Peak. 1005 Comment
  SD254490  Bolboschoenus maritimus D. E. Bramlet 2009-11-20 4418 Orange South Coast: San Diego Creek between Irvine and Newport Back Bay. 3 Comment
  UCSB52906  Bolboschoenus maritimus Roberts, Fred 1984-8-6 Orange Irvine: UC Irvine, along Abode Circle Road; 0.9 km. ENE campus center; 2.3 km. W French Hill 30 Comment
  UCD140035  Bolboschoenus maritimus subsp. paludosus B. Pitzer; T. Tennant 1997-11-8 3365 Orange Crystal Cove State Park, along Moro Canyon Trail, from beginning to a point ca. 1.75 miles up the canyon. 85 Comment
  UCD140049  Bolboschoenus robustus Louis C. Wheeler 1932-6-25 870 Orange inland arm of Newport Bay. Comment
  UCSB34951  Bolboschoenus robustus Ferren, Wayne; Whitmore, S. 1980-8-27 Orange In salt marsh of Newport Backbay; just W of Backbay Drive; ca. 3 km. NE of Rt. 1, Newport Beach Comment
  UCD56817  Bothriochloa barbinodis F. M. Reed 1926-4-10 6583 Orange North of Dana Point. Comment
  UCR205990  Bothriochloa barbinodis Adrian Wolf 1997-5-20 009 Orange South Coast, northwest of city of Laguna Beach, 100 ft from Pine Crest Drive reservoir, upslope bank adjacent to the road 152 Comment
  POM8809  Bowlesia incana P. A. Munz, R. D. Harwood 1920-4-24 3778 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  UCR258355  Brassica geniculata Fred M. Roberts 2014-4-21 7859 Orange South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin 113 Comment
  IRVC1036  Brassica nigra B. Mawdsley 1965-5-8 Orange Mesa Dr. Santa Ana Heights Comment
  JEPS53243  Brassica nigra Lawrence M. Booth 1932-5-12 1039 Orange Newport Bay Comment
  RSA0066348  Brassica nigra A. C. Sanders, Fred M. Roberts 2008-3-25 34567 Orange Peninsular Range; Santa Ana Mtns.: Saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake. 405 Comment
  UCR191363  Brassica nigra A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34626 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  RSA792477  Brassica rapa Justin M. Wood 2011-2-28 3268 Orange South Coast: Santa Ana River, marsh just upstream of Pacific Coast Highway. Plants collected throughout the marsh and along the adjacent bike path. 0 Comment
  RSA0069232  Brassica tournefortii Fred M. Roberts, Megan Lulow 2009-3-18 7137 Orange Santa Ana Mtns. Region: Lomas de Santiago: Loma Ridge at Calochortus Ridge, near East Loma Ridge Road, 2.6 km NW Bee Peak, &3.4 km NE of Rattlesnake Reservoir Dam. 375 Comment
  RSA764022  Brickellia californica Doris Bowers 1970-10-26 1706 Orange Black Star Canyon 610 Comment
  UCR222629  Brickellia californica T. B. Salvato 2010-10-27 5102 Orange South Coast, Dana Point Headlands, Harbor Point Park, south of Scenic Dr. and Cove Rd., beyond the end of Green Lantern St., overlooking Dana Point Harbor 70 Comment
  UCSB48079  Brickellia californica Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, across road from entrance to Lower San Juan Picnic Ground 436 Comment
  UCR132993  Briza minor Adrian Wolf 2001-7-16 456 Orange Santa Ana Mtns., North Ranch Policy Plan Area, North Baker Canyon Road 305 Comment
  RSA655021  Brodiaea filifolia R. A. Hamilton 1998-6-19 s.n. Orange SCE easement north of the Foothill Transportation Corridor. The site is 1.3km north of El Toro Road and 1.6km east of Portola Parkway. 290 Comment
  UCR142297  Brodiaea filifolia D. E. Bramlet, Sandy Leatherman 1998-5-21 2625 Orange Slope adjacent to a tributary of Segunda Deshecha Canada, c. 610 m N of the exisitng access road (Telaga Valley Dr.) and 2.9 km N of Avenida Pico. c. 1.93 km west of Cristianitos Canyon and 640 m west of Wilson Camp Rd 201 Comment
  UCR99876  Bromus arizonicus Scott D. White 1993-3-5 1124 Orange Tustin. Marine Air Corps Air Station: SE of Red Hill Ave and NE of Barranca 15 Comment
  RSA792246  Bromus carinatus A. C. Sanders, Fred M. Roberts 2008-4-22 35025 Orange Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 366 Comment
  UCR191216  Bromus carinatus A. C. Sanders 2008-4-29 35144 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  UCR38841  Bromus carinatus G. Sampson 1985-4-23 85- 369 Orange Chino Hills State Park, south of McDermott Spring in east end of Telegraph Canyon 412 Comment
  CAS-BOT-BC149325  Bromus carinatus var. carinatus Le Roy Abrams 1903-4-18 3271 Orange Trabuco arroyo near Capistrano. Comment
  CAS-BOT-BC156205  Bromus catharticus John Thomas Howell 1956-3-11 30922 Orange Yorba Linda. Comment
  CAS-BOT-BC156207  Bromus catharticus John Thomas Howell 1956-3-11 30923 Orange Yorba Linda. Comment
  RSA653209  Bromus catharticus David Barrios 1991-5-8 27 Orange 1500 ft. Northwest of Fairmont Ave and Quail cir. 365 Comment
  SEINET14401104  Bromus catharticus Czarnecki 1966-5-20 108 Orange Near State College Blvd and Yorba Linda Blvd, Fullerton Comment
  LA35610  Bromus diandrus A. K. Khudairi; 1951-5-20 sn Orange Westminster Comment
  UCR48031  Bromus diandrus Jack Easton 1987-4-21 s.n. Orange Southern Coast, Kain property, San Clemente, mouth of Trafalgar Canyon, just behind the beach 30 Comment
  RSA0015960  Bromus hordeaceus Fred M. Roberts 2012-4-24 7533 Orange San Joaquin Hills: Buck Gully, above main trail, 2 km W Signal Peak and about 0.4 km S San Joaquin Hills Road. 155 Comment
  RSA697686  Bromus hordeaceus Aileen Adams 1932-4-29 s.n. Orange Orange Co. Park. Comment
  UCR149408  Bromus hordeaceus Jeffrey Ross, Roselinde Zaka 1998-5-2 Orange South Coast, North side of San Joaquin Hills; William R. Mason Regional Park, near intersection of Yale Avenue and University Drive 27 Comment
  UCR191441  Bromus hordeaceus A. C. Sanders, Fred M. Roberts 2008-4-8 34723 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, head of Hicks Canyon, S of Santiago Reservoir 351 Comment
  UCSB48070  Bromus hordeaceus Fritzke, S.; Roberts, Fred 1982-4-3 Orange Dana Point; hills, 1.0 km. N of Dana Hills High School; 1.9 km. W of Marco Forster Junior High School 100 Comment
  RSA708447  Bromus hordeaceus Mark Elvin 2004-5-2 3408 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7 km (air) NNW of UC Irvine Campus center. 3 Comment
  RSA0013861  Bromus madritensis Fred M. Roberts 2012-4-24 7517 Orange San Joaquin Hills: Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  RSA0127416  Bromus madritensis subsp. rubens Fred M. Roberts 2016-3-17 8011 Orange San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail. 152 Comment
  RSA702985  Bromus rubens D. E. Bramlet, Fred M. Roberts 2003-3-13 3335 Orange Donna O'Neill Reserve. North East ridge of the reserve, 915m W of Cristianitos Rd. & 1.2km N of the E-W access road., (11S, 04 46 770E, 37 06 080N) 195 Comment
  UCD59511  Bromus rubens Beecher Crampton 1963-5-7 6791 Orange Ca. 11 miles northeast of San Juan Capistrano, State Hwy. 74, Lower San Juan Canyon, Santa Ana Mountains. Comment
  RSA42  Bromus rubens J. T. Howell 1928-2-26 857 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA625804  Bromus sterilis Scott D. White, Noel Davis 1998-5-21 6548 Orange Santa Ana Mountains, Mission Viejo Area: Aliso Creek watershed, east of El Toro Road just N of junction w/ Valley Vista Way., 33?40.5'N, 117?37'W. 305 Comment
  CSUSB524  Cakile maritima R. P. Sunderman 1968-5-11 S. N. Orange Beach just south of Corona del Mar Comment
  CSUSB525  Cakile maritima C. M. Flanagan 1971-5-18 S. N. Orange Cresent Bay, Laguna Beach Comment
  CSUSB527  Cakile maritima Cesareo Perez 1971-5-12 S. N. Orange Huntington State Beach, Pacific Coast Highway at Brookhurst Comment
  RSA657669  Cakile maritima Michael J. Graeser 1988-5-17 44 Orange Huntington Beach. Bolsa Chica Ecological Reserve. Lower end of Outer Bolsa Bay. 100 ft. SE of parking lot at Warner and PCH. Comment
  CAS-BOT-BC354307  Calandrinia breweri R. E. Riefner, Jr. 2008-3-5 08 -31 Orange Irvine Ranch Reserve, North Irvine Ranch, S of Windy Ridge Rd., ca 0.5 mi from West Fork of upper Fremont Canyon 508 Comment
  UCR113458  Calandrinia breweri R. E. Riefner Jr. 2000-4-15 20- 374 Orange Santa Ana Mountains, North Ranch Policy Plan Area, along dirt road running north, but west of Black Star Canyon Rd. at powerline tower 520 Comment
  RSA743380  Calandrinia ciliata Fred M. Roberts 2008-4-9 6860 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  UCR192454  Calandrinia ciliata A. C. Sanders, Fred M. Roberts 2008-3-25 34576 Orange Peninsular Range; Santa Ana Mtns., saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake 405 Comment
  SEINET11861030  Calendula arvensis J. F. Bright, Wyman, C. 1933-3-5 8013 Orange in Santa Ana foothills Comment
  RSA713907  Callistemon citrinus R. E. Riefner Jr. 2005-11-23 5 -773 Orange City of Newport Beach, Upper Newport Bay, E of Jamboree Rd and S of Bayview Way at Bonita Creek channel. 6 Comment
  RSA739270  Callistemon viminalis R. E. Riefner Jr. 2007-4-1 7 -163 Orange City of Laguna Niguel, Oso Creek, ca. 1.5 miles north from Paseo De Colinas Street on Camino Capistrano Street. 88 Comment
  CAS-BOT-BC132256  Calochortus catalinae Agnes M. Bowman 1899-5-1 s.n. Orange Santiago Cr. Comment
  RSA602120  Calochortus catalinae Scott D. White 1997-5-6 5047 Orange Santa Ana Mountains. Santiago Canyon area: Ridgetop road N and W of Bolero Lookout. 427 Comment
  RSA732080  Calochortus catalinae A. C. Sanders, Fred M. Roberts 2008-3-25 34549 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA741727  Calochortus catalinae R. E. Riefner 2008-4-15 8 -71 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, W Fremont Canyon, lower Coalmine SCE Rd. 301 Comment
Read comments
Jul 2 2014
  RSA753423  Calochortus catalinae D. E. Bramlet 2008-5-20 4279 Orange N Loma Ridge, 30m east of the access road, 762m west of Hwy 241 & 1.13km south of Santiago Cyn Road. 344 Comment
  RSA777234  Calochortus catalinae Orlando Mistretta, Christine Mistretta 2010-4-23 5073 Orange Vicinity of Tonner Cyn. Along Southern Califonia Edison Transmission Line corridor (Segment 8, map sheet 83 per TRTP survey 2010) 338 Comment
Read comments
Feb 24 2018
  UCR192103  Calochortus catalinae A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35289 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  UCR215276  Calochortus catalinae Fred M. Roberts 2008-5-7 6938 Orange Lomas de Santiago, Limestone Ridge between Dripping Spring and Limestone Canyon, 3.5 km NW of Bolero Lookout and 1.7 km east of Bee Peak. Irvine Ranch Conservancy 481 Comment
  POM1697  Calochortus invenustus Le Roy Abrams 1901-6-15 1848 Orange Santiago Peak trail. Comment
  RSA786593  Calochortus invenustus Doris Bowers 1971-4-19 1692 Orange Black Star Canyon Indian Site 762 Comment
  CAS-BOT-BC483376  Calochortus invenustus L. R. Abrams 1901-6-15 1848 Orange Mt. Santiago Comment
  CAS-BOT-BC492707  Calochortus splendens A. M. White 1974-6-1 1429 Orange 20 Miles E of Santa Ana, N of Silverado Canyon 822 Comment
  RSA629047  Calochortus splendens Valerie L. Soza, LeRoy Gross 1999-6-10 525 Orange Santa Ana Mountains: Southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road 1555 Comment
  RSA68633  Calochortus splendens Frank W. Peirson 1924-5-31 4669 Orange 5 miles southeast of Laguna Beach. Comment
  RSA788918  Calochortus splendens Fred M. Roberts 1999-6-10 5240 Orange Lomas de Santiago: Loma Ridge, Central Limestone Cyn., adjacent to the Sinks, 0.7 km E Bolero Spring and 1.9 km NW Bolero Lookout. 411 Comment
  UCR150909  Calochortus splendens Valerie Soza, LeRoy Gross 1999-6-10 525 Orange Santa Ana Mountains, Southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road 1555 Comment
  CAS-BOT-BC492698  Calochortus splendens P. C. Everett 1935-6-18 7199 Orange Santa Ana Mts., Main Divide Motorway; 7 miles from Santiago Peak 1310 Comment
  CAS-BOT-BC492705  Calochortus splendens Palmer Stockwell 1935-5-12 1216 Orange 7 miles E of Mission San Juan, Capistrano, on Elsinore Road Comment
  RSA0050043  Calochortus splendens Wendy Boes 2010-9-8 2009 -011 Orange Peninsular Ranges; Santa Ana Mountains; El Cariso 953 Comment
  RSA369038  Calochortus splendens N. C. Cooper 1944-6-4 1316 Orange Elsinore Mountain. 1067 Comment
  RSA668158  Calochortus splendens Michael C. Long, Ian Swift 2001-5-10 MCL- 558 Orange Soledad Canyon, N of Soledad Canyon Road at Bee Canyon. 537 Comment
Read comments
Jul 15 2019
  RSA769610  Calochortus weedii E. W. Lathrop 1974-6-27 7417 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest 396 Comment
  CAS-BOT-BC132657  Calochortus weedii var. intermedius D. Bramlet 1994-6-23 2392 Orange San Joaquin Hills. On ridgeline between Camarillo and Shady Canyons. The site is located 1.5 km west of Laguna Cyn. and 183 m SE of the Shady-Camarillo Cyn. Road junction 244 Comment
  RSA0065926  Calochortus weedii var. intermedius Allison D. Rudalevige, Jennifer S. Pareti 2015-5-11 ADR 12 Orange Bee Canyon. 259 Comment
  RSA588986  Calochortus weedii var. intermedius D. E. Bramlet 1994-6-23 2390 Orange San Joaquin Hills. On ridgetop above Upper Shady Canyon. The site is located 640 m N of the Shady-Camarillo Cyn. Road junction and 1.5 km West of Laguna Cyn. Road. 232 Comment
  UCR112937  Calochortus weedii var. intermedius R. E. Riefner Jr. 2000-6-26 20- 580 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, along dirt road running N and west of Black Star Cyn. Road at powerline tower 631 Comment
  UCR203906  Calochortus weedii var. intermedius R. E. Riefner Jr. 2008-6-3 08- 138 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east fork of Fremont Canyon, Black Star SCE Road 622 Comment
  UCR222644  Calochortus weedii var. intermedius D. E. Bramlet 2008-5-9 4263 Orange Peninsular Range; Santa Ana Mtns. Foothills, ridgeline between the upper two tributaries of Wier Canyon, 1.2 km east of S Serrano Ave. and 1.3 km west of Gypsum Cyn 330 Comment
  RSA0000338  Calochortus weedii var. intermedius J. T. Howell 1927-6-22 193 Orange Botany Garden, Rancho Santa Ana. Comment
  RSA690976  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-5-29 9426 Orange Santa Ana Mtn foothills: Rancho Mission Viejo. Hills above Canada Gobernadora, west side of canyon, ca. 1 air mile north of Ortega hwy. 91 Comment
  RSA649679  Calycadenia tenella R. E. Riefner 2000-5-6 20 -444 Orange NCCP North Ranch Policy Plan Area: NE property; along powerline on National Forest boundary. 582 Comment
  UCR191248  Calycadenia tenella A. C. Sanders 2008-4-29 35130 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  UC7754  Calyptridium monandrum C. W. Hamlin 1896-1 8 Orange Buena Park Comment
  IRVC21683  Calystegia macrostegia subsp. cyclostegia Fred M. Roberts 1975-4-7 75 -40 Orange 0.7km ESE Dana Hills High School, Dana Point 90 Comment
  IRVC9144  Calystegia macrostegia subsp. cyclostegia B. T. Gittins 1966-4-12 1203 Orange bluff above cove. Dana Point Headlands Comment
  POM201721  Calystegia macrostegia subsp. cyclostegia L. M. Booth 1932-5-19 1081 Orange Newport Bay Comment
  RSA647894  Calystegia macrostegia subsp. intermedia Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-15 23 Orange 1/2 mile south of Chino Hills State Park. By a seasonal tributary to the Santa Ana River. 167 Comment
  UCR193261  Camissonia A. C. Sanders, Fred M. Roberts 2008-6-17 35521 Orange Peninsular Range; Santa Ana Mtns., middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 230 Comment
  RSA731977  Camissonia californica A. C. Sanders 2008-4-1 34658 Orange Peninsular Range: Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 250 Comment
  SEINET8043936 Image available Camissonia californica Dick Newell, Don Millar 2015-1 403 Orange Peninsular Range; Santa Ana Mtsn. Foothills: Agua Chinon Wash, 1 mile NE of Portola and the 241 Toll Rd./Foothill Transp. Corridor. 245 Comment
  UCR190975  Camissonia californica A. C. Sanders, Fred M. Roberts 2008-4-22 35002 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon haul road, just above Irvine Ranch gate and road to cement plant, c. 1 mile NE of Rattlesnake Reservoir 244 Comment
  UCR222623  Camissonia cheiranthifolia T. B. Salvato 2010-10-27 5108 Orange South Coast, Dana Point Headlands, Harbor Point Park, south of Scenic Dr. and Cove Rd., beyond the end of Green Lantern St., overlooking Dana Point Harbor 70 Comment
  UCR12582  Camissonia cheiranthifolia subsp. cheiranthifolia J. S. Davis 1972-5-6 720506- 16 Orange South Coast, Newport Beach, 100 yards from the corner of San Joaquin Hills Road and Back Bay Road. 0 Comment
  RSA357147  Camissonia cheiranthifolia subsp. suffruticosa Robert F. Thorne 1975-4-6 45584 Orange Head of Newport Bay. Comment
  RSA72261  Camissonia cheiranthifolia subsp. suffruticosa F. W. Peirson 1924-5-31 4670 Orange 5 miles southeast of Laguna Beach. Comment
  RSA539394  Camissonia ignota Fred M. Roberts, Carol A. Roberts 1988-6-2 4033 Orange Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak. 817 Comment
  RSA75439  Camissonia ignota F. W. Peirson 1923-5-6 3505 Orange Trail to Santiago Peak, Santa Ana Ms., from Trabuco Canyon. 1067 Comment
  UCR144136  Camissonia intermedia Scott D. White 2003-3-21 8826 Orange Peninsular Range/Santa Ana Mtns, Foothills [above] Rancho Mission Viejo; E-facing slopes above an unnamed tributary to San Juan Creek 183 Comment
  UC1618042  Camissoniopsis bistorta Donald G. Nelson 1935-3-23 179 Orange Hills north of Fullerton Comment
  UC942888  Camissoniopsis bistorta Lewis S. Rose 1949-4-18 49050 Orange sea-bluffs Dana Point Comment
  UCSB14793  Camissoniopsis bistorta Breedlove, Dennis 1962-3-9 Orange 6.4 miles east of San Juan Capistrano on State 74 121 Comment
  JEPS31488  Camissoniopsis cheiranthifolia subsp. suffruticosa L. M. Booth 1932-5-25 1114 Orange Balboa Island Newport Bay Comment
  UCR224398  Cannabis sativa Robt. L. Allen, Reginald I. Durant 2008-5-9 s.n. Orange Santa Ana Mountains, Silverado Canyon, 1.6 road miles east northeast above Maple Springs Forest Gate, between Lost Woman Canyon and Spruce Canyon 766 Comment
  IRVC29088  Capsella bursa-pastoris Fred M. Roberts 1989-3-17 4203 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  RSA681847  Capsella bursa-pastoris Scott D. White, Michael Honer 2003-6-12 9539 Orange Rancho Mission Viejo. Upper end of Trampas Canyon. 152 Comment
  RSA697415  Capsella bursa-pastoris Snow 1929-2-16 3 Orange Santa Ana. Comment
  CSUSB653  Cardamine californica R. Cooper 1968-2-11 S. N. Orange San Joaquin Hills, near Laguna Beach Comment
  UCR262008  Cardamine californica Dick Newell, Don Millar 2015-2-10 387 Orange South Coast, Laguna Canyon, on Willow Canyon Trail, 0.14 mi. due west of Laguna Canyon Rd. 80 Comment
  UCSB48073  Cardamine californica Roberts, Fred 1981-4-11 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 2.3 km. ENE San Juan Guard Station; 0.4 km. W of Bench Mark 1100 315 Comment
  POM96134  Cardamine californica var. integrifolia Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  POM187376  Cardaria chalepensis Ed Johnson s.n. Orange Westminster. Comment
  JEPS53320  Cardaria draba Ethelbert Johnson 1931-5-16 Orange Santa Ana Comment
  HSC94252  Cardionema ramosissimum D. Atwood 1993-3-27 17689 Orange Corona Del Mar State Park along Newport Coast Drive. 0 Comment
  RSA0097049  Cardionema ramosissimum Scott D. White, Amanda Duchardt 2003-5-1 9149 Orange Santa Ana Mtn Foothills; slopes above the west side of Canada Gobernadora and adjacent small canyon to the west. 76 Comment
  RSA441725  Cardionema ramosissimum L. C. Wheeler 1934-1-14 2357 Orange 1 mile E mouth of Aliso canyon near Laguna. 30 Comment
  CAS-BOT-BC118491  Carex praegracilis Helen D. Geis 1902-4-1 s.n. Orange Unspecified Comment
  CAS-BOT-BC118505  Carex praegracilis Helen D. Geis 1902-4-1 503 Orange Santa Ana Comment
  CAS-BOT-BC118488  Carex praegracilis Helen D. Geis 1902-4-1 s.n. Orange Peat Lands Comment
  CAS-BOT-BC118507  Carex praegracilis Helen D. Geis 1902-4-1 502 Orange Ditch banks Comment
  UCR247900  Carex schottii Fred M. Roberts 2013-6-12 7794 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  RSA0026256  Carex spissa Fred M. Roberts 2013-6-12 7794 Orange Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  SEINET10495943  Carissa macrocarpa Chester T. Dziekanowski, David B. Dunn; Charlene A. Bennett 1976-7-21 Dziekanowski 2417 Orange Collected around the condominium-Pacific Island Estates in Laguna Beach. Comment
  SEINET10447212  Carpobrotus aequilaterus Melvin L. Conrad, David B. Dunn 1973-6-13 Conrad 7130 Orange In vicinity of Laguna Beach. 152 Comment
  UCD96837  Carpobrotus chilensis Gordon Pilone 1961-3-14 110 Orange Little Corona Del Mar. 30 Comment
  UCR204231  Carpobrotus chilensis Valerie Soza, LeRoy Gross, Kevin Clark, Will Miller, Fred M. Roberts, G. D. Wallace 2001-4-4 1106 Orange South Coast, Seal Beach National Wildlife Refuge, Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226) 3 Comment
  SEINET10447228  Carpobrotus chilensis Charlene A. Bennett 1976-7-22 Bennett 444 Orange Cultivated and native plants collected around the San Clemente Beach area. 3 Comment
  UCR11220  Carthamus baeticus D. O. Clark 1969-7-14 s.n. Orange 2 mi NE of Brea Comment
  CDA6922  Carthamus creticus E. Dudley 1957-6-17 Orange 0 Comment
  RSA420738  Castilleja Albert J. Perkins 1913-2-13 s.n. Orange Peralta. Comment
Read comments
Jun 16 2012
  RSA588797  Castilleja affinis Fred M. Roberts, Dave Bontrager 1990-4-18 4563 Orange Rancho Mission Viejo: ridge between Christanitos and Gabino Canyons (Riverside Cement Lease Holding), 5.5 km SE Playa Survey Marker. 152 Comment
  UCR228789  Castilleja affinis Dick Newell, Don Millar 2011-5-10 155 Orange Peninsular Range; Santa Ana Mtns., on Lakeview Rd. above Irvine Lake dam 276 Comment
  RSA0010908  Castilleja affinis Keith E. Hoffmaster 1927-4-8 530 Orange Santa Ana Mountains. Comment
  CAS-BOT-BC402186  Castilleja affinis subsp. affinis R. F. Thorne; E. W. Lathrop; W. Wisura 1977-4-27 49649 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  CDA41345  Castilleja affinis subsp. affinis Ahlefeld & Pope 1957-4-1 s.n. Orange Irvine Ranch. 0 Comment
  RSA699995  Castilleja foliolosa R. H. McArthur 1934-4-7 s.n. Orange Ladd Canyon. Comment
  POM202724  Castilleja minor subsp. spiralis L. M. Booth 1932-6-28 1217 Orange Bolsas Marsh. Comment
  RSA701803  Castilleja minor subsp. spiralis Fred M. Roberts 1999-7-22 5251 Orange Lomas de Santiago: Lomas Ridge, tributary to Limestone Canyon at Dripping Springs. Limestone Wilderness Park. 415 Comment
  RSA680536  Caulanthus heterophyllus Scott D. White 2003-3-21 8802 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 122 Comment
  UCD114584  Caulanthus lasiophyllus D. E. Bramlet 2008-3-31 4133 Orange Santa Ana Mountains. 305 m E of Upper Hicks Haul Road, in Trib to Limestone Cyn., 1 km S of Santiago Cyn. Road. 311 Comment
  RSA562822  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1992-5-20 7475 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building). 350 Comment
  UC1281316  Ceanothus crassifolius H. E. McMinn 1935-6-22 3921 Orange w Corona; Santa Ana Mts. Comment
  UCSB31585  Ceanothus crassifolius Proctor, Donald 1962-3-18 Orange Silverado Canyon, Santa Ana Mts, 914 Comment
  RSA542418  Ceanothus integerrimus Fred M. Roberts, Karlin G. Marsh 1987-5-14 3440 Orange Santa Ana Moutains: Upper Trabuco Canyon, Trabuco Canyon Trail , 1.3 km NE Los Pinos Peak 1231 Comment
  SBBG4369  Ceanothus leucodermis M. Van Rensselaer 1941-5-30 1674 Orange summit of Ortega Hwy (St Hwy 74) 762 Comment
  RSA734968  Ceanothus megacarpus A. C. Sanders, Fred M. Roberts, A. O'Neal, D. E. Bramlet 2008-5-9 35301 Orange Weir Canyon, along old dirt road, c. 1.25 mi. ESE of Walnut Cyn Reservoir 340 Comment
  IRVC28916  Ceanothus megacarpus var. megacarpus Fred M. Roberts, Carol A. Roberts 1988-5-12 3963 Orange Anaheim Hills; Upper Deer Cyn, 7.7km W Sierra Peak. Southern Coastal 268 Comment
  RSA542422  Ceanothus megacarpus var. megacarpus Fred M. Roberts 1988-5-12 3963 Orange Anaheim Hills: Upper Deer Canyon, 7.7 km W Sierra Peak. 268 Comment
Read comments
Aug 23 2013
  RSA757809  Ceanothus megacarpus var. megacarpus Dylan O. Burge 2008-4-29 DOB 989 c Orange Niguel Hill, 3.08 km 250 degrees true west-southwest of Laguna Niguel. 270 Comment
  RSA398926  Ceanothus oliganthus var. sorediatus Albert J. Perkins 1918-5-25 s.n. Orange Santiago Peak. Comment
  LA44892  Ceanothus palmeri W. Pequegnat; 1938-8-11 sn Orange Santa Ana Mountains, Santiago Peak 1734 Comment
  CHSC116480  Ceanothus papillosus var. roweanus R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49697 Orange Northern Santa Ana Mountains: Sierra Peak. Hydrothermally altered serpentine substrate with limited scrub growth. Comment
  LA93871  Ceanothus spinosus D. S. Verity; Fred Lang 1974-2-20 sn Orange hills behind South Laguna Comment
  RSA0029934  Ceanothus spinosus Fred M. Roberts 2013-5-30 7776 Orange Lomas de Santiago: Santiago Creek Wash, at Santiago Canyon Road bridge (south side), 0.3 km W jct. Silverado and Santiago Canyon Roads. 299 Comment
  RSA698615  Ceanothus spinosus Mabel Harvey s.n. Orange Silverado Canyon Comment
  UC1071430  Ceanothus tomentosus A. Lewis Mar 1934 367 Orange 2 1/2 mi sw Sierra Peak; Cleveland National Forest, Corona Quad. 548 Comment
  UC219276  Ceanothus tomentosus P. A. Munz and I. M. Johnston 1922-5-19 5311 Orange Santa Ana River Canyon 457 Comment
Read comments
Aug 8 2010
  CAS-BOT-BC63297  Ceanothus tomentosus var. olivaceus Carl B. Wolf 1932-3-8 2693 Orange W. base of Santa Ana Mts., Santiago Creek, 1 mi. e. of Villa Park. 152 Comment
  RSA1041  Ceanothus tomentosus var. olivaceus J. T. Howell 1927-6-26 144 Orange Claymine Canyon near Sierra Peak. 213 Comment
  IRVC27931  Celtis sinensis A. C. Sanders, Mark A. Elvin 2003-10-12 27326 Orange Irvine; UCI Arboretum, UCI campus near intersection of Jamboree Blvd and Campus Dr. Southern Coastal 15 Comment
  RSA653176  Centaurea melitensis David Barrios 1991-5-8 23 Orange 1500 ft. Northwest of Fairmont Ave and Quail cir. 365 Comment
Read comments
Apr 29 2008
  RSA752850  Centaurea melitensis Fred M. Roberts 2009-4-21 7154 Orange Dana Point Headlands: southern cliffs, 0.7 km W Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  UCR80034  Centaurea melitensis Scott D. White 1992-10-1 953 Orange City of Brea, immediately north of Carbon Canyon Road & east of Placentia Ave. c. 1 mi (airline) S-SE of Tonner Canyon. 183 Comment
  UCR174464  Centaurea solstitialis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33063 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, roadside of Hwy 74 c. 1 mile below (W of) Lower San Juan Picnic Area 396 Comment
  RSA391515  Centaurium venustum N. C. Cooper 1944-6-4 1356 Orange San Juan Canyon, Lower Campground. 457 Comment
  RSA699754  Centaurium venustum Fred M. Roberts, David Bramlet 2003-6-6 5886 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.7km SW int. Cristianitos and TRW Rds. and 0.23km W of SDG&E substation. 94 Comment
  RSA710405  Centaurium venustum Fred M. Roberts 2005-10-3 6293 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  IRVC14862  Centaurium venustum Gordon A. Marsh, Karlin G. Marsh 1976-7-8 s.n. Orange Santa Ana Mtns: Lower San Juan Picnic Grounds near Hwy 74 [Ortega Hwy]. Peninsular Ranges Comment
  RSA16384  Centaurium venustum E. R. Johnson 1935-6-11 7132 Orange Rancho Santa Ana, Santa Ana Canyon, grain field west of grapefruit orchard. 137 Comment
  CAS-BOT-BC288840  Centromadia parryi subsp. australis D. Bramlet 1990-11-3 2064 Orange On the W side of Upper Newport Back Bay, some 50 m NW of the Delhi channel, approx 100 m SE of the end of University Drive and is located just above an alkaline marsh area 23 Comment
  CAS-BOT-BC288850  Centromadia parryi subsp. australis Carl B. Wolf 1932-6-28 3781 Orange Bryant Ranch, about middle of W boundary of 40-acre Valencia orange grove at Bryant Ave and Hansen Rd Comment
  SD134529  Centromadia parryi subsp. australis Craig Reiser 1991-3-19 Orange Newport Beach Bay, W of Delhi Channel Comment
  UC897740  Centromadia parryi subsp. australis Louis C. Wheeler 1932-6-25 849 Orange 5 mi w Santa Ana 22 Comment
  UCSB52862  Centromadia parryi subsp. australis Roberts, Jr., Fred 1985-9-17 Orange Irvine; lot between Walnut Ave., Harvard Ave. and Peter's Creek Channel; UTM 3730050mN, 426250mE 20 Comment
Read comments
Feb 22 2019
  RSA708722  Cercocarpus betuloides Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6226 Orange west slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.46km W summit. 1670 Comment
  LA31220  Cercocarpus minutiflorus Dave Verity; 1960-2-14 sn Orange near summit of Temple Hills Drive on e slope of ridge, San Juaquin Hills behind Laguna Beach Comment
  RSA443827  Chaenactis artemisiifolia Gordon Marsh, Karlin G. Marsh 1978-5-20 s.n. Orange Coal Canyon; W slope of main canyon near center of acreage Comment
  RSA695494  Chaenactis glabriuscula Minor Warne 1934-4-28 s.n. Orange Ladd Canyon-Santa Ana Mts Comment
  SD144055  Chaenactis glabriuscula Scott D. White 1997-3-28 4852 Orange Above Modjeska Canyon: Proposed water tank site. 424 Comment
  SEINET2028646 Image available Chaenactis glabriuscula Lawrence M. Booth 1932-5-18 1056 Orange Newport Bay Comment
  UCR157714  Chaenactis glabriuscula Adrian Wolf 1998-5-15 294 B Orange South Coast, Dana Point Headlands, north of Scenic Dr. 67 Comment
  CAS-BOT-BC283934  Chaenactis glabriuscula var. glabriuscula H. F. Copeland 1938-6-28 s.n. Orange Hills back of Laguna Beach Comment
  POM351784  Chaenactis glabriuscula var. glabriuscula M. B. Dunkle 1935-3-3 4350 Orange San Juan Canyon. 457 Comment
  IRVC29724  Chamaesyce albomarginata Mark A. Elvin, Barry S. Nerhus 2006-11-4 5255 Orange Huntington Beach; 1.5 km SW of Wintersburg, SW of jct Slater and Goldenwest; Shipley Nature Center. Southern Coastal 1 Comment
  UCSB48215  Cheilanthes covillei Roberts, Fred 1981-5-3 Orange Santa Ana Mtns.: Lower Hot Springs Canyon, 0.7km by road N of San Juan Guard Station 244 Comment
  IRVC9289  Chenopodium album B. Gittins 1963-3-19 60 Orange 635 Joan. Costa Mesa Comment
  IRVC29696  Chenopodium ambrosioides Mark A. Elvin, Barry S. Nerhus 2006-11-4 5246 Orange Huntington Beach; 1.5 km SW of Wintersburg, SW of jct Slater and Goldenwest; Shipley Nature Center. Southern Coastal 1 Comment
  RSA712937  Chenopodium ambrosioides Fred M. Roberts 2005-10-3 6302 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  POM122883  Chenopodium ambrosioides Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  POM225240  Chenopodium ambrosioides P. A. Munz 1936-6-30 14172 Orange 5 miles south of Garden Grove. Comment
  POM6868  Chenopodium ambrosioides P. A. Munz 1919-2-15 2281 Orange Montebello, along Rio Hondo. Comment
  UCR73179  Chenopodium berlandieri Scott D. White 1992-9-23 858 Orange Vicinity of Olinda, near city of Brea, immediately north of Carbon Canyon Road and east of Placentia Ave.; c. 1 mi. (airline) SSE of Tonner Canyon 183 Comment
  RSA678739  Chenopodium californicum Fred M. Roberts, Carol A. Roberts, Robert Allen 2003-5-11 5856 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive 76 Comment
  UCR191466  Chenopodium californicum A. C. Sanders, Fred M. Roberts 2008-4-8 34774 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon 495 Comment
  RSA793261  Chenopodium macrospermum R. F. Thorne 1984-1 s.n. Orange Newport Back Bay Comment
  UCD98280  Chenopodium macrospermum B. Pitzer 1996-4-30 2785 Orange Upper Newport Bay: Calif. Dept. Fish and Game Ecological Reserve, off (W of) Jamboree Rd. 1 Comment
  POM201900  Chenopodium macrospermum var. halophilum L. M. Booth 1932-7-19 1289 Orange Bolsas Marsh. Comment
  IRVC398  Chenopodium murale J. Morgan 1965-2-5 Orange Corona del Mar High School. Newport Beach Comment
  RSA751792  Chenopodium murale A. C. Sanders, Fred M. Roberts 2008-7-3 35686 Orange upper Weir Canyon, along Windy Ridge Rd. at huge sandstone boulder (visible on Google Earth), 1.3 mi. SE of Walnut Canyon Reservoir 314 Comment
  SD143949  Chenopodium murale Scott D. White 1993-3-5 1120 Orange Marine Corps Air Station, southeast of Red Hill Ave. and northeast of Barranca. 14 Comment
  POM262154  Chenopodium murale L. M. Booth 1932-6-9 1175 Orange Santa Ana River, 1 mile from ocean. Comment
  RSA184192  Chenopodium murale I. L. Wiggins 1966-5-25 20666 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton. Comment
  RSA562753  Chenopodium murale Steve Boyd, Timothy S. Ross 1992-5-19 7429 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon,. 366 Comment
  RSA573428  Chenopodium murale Steve Boyd, Timothy S. Ross 1994-9-14 8347 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon trail at stream crossing in Aliso Canyon. 341 Comment
  UCR193835  Chlorogalum pomeridianum A. C. Sanders, Fred M. Roberts 2008-7-16 35846 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  UCR233744  Chlorogalum pomeridianum Fred M. Roberts 2008-6-12 7045 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, along 'Calochortus Ridge' near West Loma Ridge Road north of Haul Road, 2.6 km NW of Bee Peak, Irvine Ranch Land Conservancy 417 Comment
  UCSB50639  Chlorogalum pomeridianum Roberts, Fred 1982-7-7 Orange South Laguna; Niguel Hill, 1.4 km. ESE Aliso Peak; 2.6 km. SSW Niguel Fire Station 207 Comment
  UCR126795  Chorizanthe polygonoides var. longispina Kristin Szabo 2001-5-29 s.n. Orange Santa Ana Mountains, Gypsum Canyon within boundary of Mountain Park project Comment
  RSA678497  Chorizanthe procumbens Fred M. Roberts, Robert L. Allen, Carol Roberts 2003-5-11 5845 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive. 76 Comment
  RSA785186  Chorizanthe procumbens D. E. Bramlet 1983-5-28 1388 Orange Dana Point, 154 m SW of Pacifc Coast Highway 73 Comment
  UCR143496  Chorizanthe procumbens D. E. Bramlet 1994-6-2 2379 Orange Coastal Foothills, San Joaquin Hills; ridgeline north of Little Sycamore Canyon, 244m NE of Little Sycamore Canyon and 488m west of Laguna Cyn. Road 165 Comment
  UCR146880  Chorizanthe procumbens Kathleen Stockwell 2000-6-18 s.n. Orange South Coast, Dana Point Headlands 61 Comment
  CAS-BOT-BC255246  Chorizanthe staticoides Herbert L. Mason 1926-4-25 2913 Orange 5 miles below Laguna Comment
  CAS-BOT-BC255250  Chorizanthe staticoides Le Roy Abrams 1901-6-1 1807 Orange Mt. Santiago 914 Comment
  CAS-BOT-BC255256  Chorizanthe staticoides John Thomas Howell 1927-6-8 2455 Orange Southern Puente Hills in the Santa Ana Canyon 182 Comment
  POM2200  Chorizanthe staticoides D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach Comment
  RSA392684  Chorizanthe staticoides Louis C. Wheeler 1932-6-25 856 Orange Newport Bay. 3 Comment
  UC1175013  Chorizanthe staticoides E. K. Balls 1958-6-26 23814 Orange Comment
  UC1442607  Chorizanthe staticoides Karlin G. Marsh 1977-10-5 Orange Ford Aeronutronics property near corner of MacArthur Blvd and Bison Ave. right-of-way; Newport Beach, Ford Aeronutronics property Comment
  RSA0051264  Chorizanthe staticoides Keith E. Hoffmaster 1935-3-17 550 Orange Near El Toro (Trabuco rd). Comment
  UCR217464  Chrysanthemum coronarium Mark A. Elvin 2003-2-23 2311 Orange South Coast, Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  RSA2092  Cirsium brevistylum B. D. Stark 1931-5-23 2230 Orange Santa Ana river bottom, SW of Ranch Houses, Rancho Santa Ana 122 Comment
  UC537119  Cirsium brevistylum Lawrence M. Booth 1932-5-15 1199 Orange 1/2 mi from Pacific Ocean Comment
  RSA721124  Cirsium californicum Minor Warne 1934-5-19 s.n. Orange Trabuco. Comment
  CAS-BOT-BC280089  Cirsium occidentale var. californicum John Thomas Howell 1927-6-26 2593 Orange Claymine Canon [Canyon], n. Santa Ana Mts. 243 Comment
  RSA0069236  Cirsium occidentale var. occidentale Fred M. Roberts, Lee Ann Caranza 2009-4-7 7141 Orange Dana Point Headlands: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 60 Comment
  RSA184137  Cirsium vulgare I. L. Wiggins 1965-11-3 20311 Orange Margin of orange grove, east side of California State College at Fullerton campus, near Placentia Ave., Fullerton Comment
  SD143566  Cirsium vulgare R. D. Goeden, D. W. Ricker 1965-7-7 Orange Puente Hills: Brea Blvd. at Tonner Canyon Road, confluence of Brea and Tonner Canyons, northeast edge of Brea. 146 Comment
  UCR109769  Cirsium vulgare R. D. Goeden, Don W. Ricker 1965-7-7 s.n. Orange Puente Hills, Brea Blvd. at Tonner Cyn. Rd., confluence of Brea and Tonner Canyons, NE edge of Brea 146 Comment
  CAS-BOT-BC172421  Clarkia bottae C. L. Hitchcock 1928-5-5 49 Orange Mouth of Santa Ana Canyon 150 Comment
  RSA5466  Clarkia bottae Carl B. Wolf 1932-7-2 3825 Orange Carbon Canyon, 1/8 mile below La Vida Springs 213 Comment
  UCR228790  Clarkia bottae Dick Newell, Don Millar 2011-5-24 159 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Hicks Haul Road 286 Comment
  UCSB52914  Clarkia bottae Roberts, Fred; Marsh, K. 1983-5-13 Orange San Joaquin Hills, Laguna Canyon along Laguna Canyon Road; 1.7km N Thurston School; 6.4km SE Signal Peak 50 Comment
  UCR132980  Clarkia purpurea Adrian Wolf 2000-4-15 461 Orange Santa Ana Mtns., North Ranch Policy Plan Area, North Baker Canyon Road 335 Comment
  RSA511063  Clarkia purpurea subsp. purpurea S. J. Myers 1989-5-4 s.n. Orange Near Horsetrough Spring at the head of Black Star Canyon, Santa Ana Mountains. 640 Comment
  POM6351  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1919-5-3 2669 Orange Santa Ana River Canyon. Comment
  RSA648196  Clarkia purpurea subsp. quadrivulnera Karl Price 1988-5-7 27 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 Comment
  SEINET7067523  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1947-6-12 s.n. Orange Canyon Road to Trabuco Canyon. Coordinate datum: NAD27. UTM Zone 11, 444428mE, 3723792mN. Comment
  OBI12101  Clarkia purpurea subsp. quadrivulnera Barrett Anderson 1975-5-10 575 Orange Along hwy 74 137 Comment
  RSA581440  Clarkia purpurea subsp. quadrivulnera Fred M. Roberts, Gordon Marsh 1989-5-12 4359 Orange Santa Ana Mountains: Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, ca. 3.3 km WSW Laurel Springs. 430 Comment
  UCR193388  Claytonia parviflora A. C. Sanders, T. B. Salvato 2008-5-13 35330 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCR224163  Claytonia parviflora subsp. parviflora Fred M. Roberts 2008-3-19 6779 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 45 Comment
  RSA0027772  Clematis lasiantha Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49689 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  POM2489  Cleome isomeris P. A. Munz 1918-5-5 2188 Orange Laguna Beach. Comment
  RSA449086  Cneoridium dumosum Albert J. Perkins 1921-3-15 s.n. Orange Laguna Heights, hill S.W. of oil well. Comment
  UCD116910  Cneoridium dumosum Raymond A. Evans 1951-3-23 s.n. Orange South of Laguna. 60 Comment
  UCR166704  Cneoridium dumosum Scott D. White, Jennifer H. Jones 2005-3-31 10853 Orange South Coast, City of Laguna Beach. 549 Nyes Place. Proposed home site on c. 0.5 acre. 91 Comment
  RSA0117446  Collinsia concolor A. C. Sanders, Fred M. Roberts 2008-4-22 35026 Orange Santa Ana Mtns.: Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado. 1200 Comment
  SEINET1908696  Collinsia concolor A. C. Sanders, Fred M. Roberts 2008-1 35026 Orange Peninsular Range; Santa Ana Mtns: Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 366 Comment
  UCR193023  Collinsia concolor A. C. Sanders, Mitch Provance 2008-5-20 35398 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  RSA305753  Collinsia heterophylla James R. Shevock 1313 Orange Newport Beach Bay. 11 Comment
  CDA21600  Conium maculatum Mark A. Elvin, B. S. Herhus 2006-11-4 5254 Orange Southern Coastal; Huntington Beach; 1.5 km southwest of Wintersburg, southwest of junction Slater and Goldenwest; Shipley Nature Center. Comment
  POM295610  Conium maculatum Lyman Benson 1946-7-8 12105 Orange Corona del Mar. 15 Comment
  RSA357138  Conium maculatum R. F. Thorne 1975-4-6 45575 Orange San Joaquin Marsh: Near Irvine and coast. Comment
  IRVC9147  Convolvulus arvensis B. Gittins 1963-4-30 204 Orange 1617 Sandalwood St. Costa Mesa Comment
  IRVC969  Convolvulus arvensis L. Stilgenbauer 1965-5-5 Orange Corona del Mar High School. Newport Beach Comment
  RSA643431  Convolvulus arvensis R. D. Goeden, D. W. Ricker 1965-6-15 s.n. Orange Santiago Blvd., Villa Park. 91 Comment
  UCR228812  Convolvulus arvensis Dick Newell, Don Millar 2011-7-19 206 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon Rd. at junction to Dripping Springs 312 Comment
  CSUSB645  Convolvulus arvensis Kenneth Hibberd 1966-5-8 660508 4 Orange Frontage Road, one mile north of El Toro Road along Highway 101, Santa Ana Freeway. 121 Comment
  POM312786  Convolvulus arvensis D. Taylor 1952-10 327 Orange South of Chino near C I M Comment
  RSA184134  Convolvulus arvensis I. L. Wiggins 1965-9-3 20317 Orange Roadside along Yorba Linda Boulevard, between State College Boulevard and Placentia Avenue, Fullerton. Comment
  UCR85393  Convolvulus simulans H. Camp 1995-4-14 s.n. Orange Peninsular Range; Santa Ana Mtns., Caspers Park, 7 mi. east of San Juan Capistrano, west of Bell Creek 183 Comment
  RSA748269  Conyza bonariensis A. C. Sanders, Fred M. Roberts 2008-6-17 35512 Orange middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 225 Comment
  UCR44907  Conyza bonariensis B. G. Pitzer, L. F. LaPre 1986-10-20 s.n. Orange City of Irvine, Drainage channel near intersection of Irvine Blvd. and Sand Canyon Avenue. 91 Comment
  RSA703085  Conyza canadensis Fred M. Roberts, Arthur Davenport 2003-9-11 6009 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary west of Christianitos Canyon, 1.6 km NNW Sycamore Gate and 10 meters W of Christianitos Road 145 Comment
  UCR179769  Conyza floribunda R. E. Riefner Jr. 2003-12-13 03- 503 Orange South Coast, Los Alamitos, San Gabriel River, vicinity of Chestnut St. and Cerritos Ave. 11 Comment
  POM202727  Cordylanthus maritimus subsp. maritimus L. M. Booth 1932-7-19 1273 Orange Bolsas Marsh Comment
  RSA412318  Cordylanthus maritimus subsp. maritimus L. M. Booth 1932-7-1 1233 Orange Newport Bay Comment
  RSA486866  Cordylanthus maritimus subsp. maritimus Gordon Marsh 1974-5-29 14209 Orange On east side of upper Newport Bay 2 Comment
  SBBG68641  Cordylanthus maritimus subsp. maritimus M. N. Ackley -May-1929 Orange Sunset Beach Comment
  UC537013  Cordylanthus maritimus subsp. maritimus Lawrence M. Booth 1932-7-19 1273 Orange Bolsas Marsh Comment
  RSA506432  Cordylanthus rigidus subsp. setiger Kathy Harper 1988-7-16 s.n. Orange Cleveland National Forest, on Hwy 74 near El Cariso. SE of Hwy Comment
  UCD169163  Cordyline R. E. Riefner Jr. 2012-11-6 12- 532 Orange South Coast,City of Newport Beach, Newport Bay, North Star Beach, near Newport Aquatic Center, White Cliffs Drive/North Star Lane. 9 Comment
  CAS-BOT-BC287840  Coreopsis californica Agnes M. Bowman 1899-5-1 s.n. Orange Unspecified Comment
  CAS-BOT-BC101297  Corethrogyne filaginifolia Marcus E. Jones 1924-8-26 s.n. Orange Newport Comment
  HSC5418  Corethrogyne filaginifolia J. W. Johnson 1961-2-19 Orange Newport Beach, marine terrace above upper Newport Bay. Comment
  UC536949  Corethrogyne filaginifolia Lawrence M. Booth 1932-7-29 1332 Orange Newport Bay Comment
  SD108850  Corethrogyne filaginifolia var. filaginifolia James Henrickson 1972-10-21 8066 Orange Newport Beach, south of Jamboree Road, east of Irvine Coast Country Club near U. C. Irvine. 45 Comment
  HSC94214  Coronopus didymus D. Atwood 1993-3-29 17727 Orange Huntington Beach along Beach Blvd., 0.5 mi. N of the beach Comment
Read comments
Jul 14 2012
  UC1719426  Coronopus didymus D. Atwood 1993-3-26 17688 Orange Corona Del Mar State Park along Newport Coast Drive 0 Comment
  SEINET11242395  Coronopus didymus D. Atwood 1993-3-27 17688 Orange Corona Del Mar State Park, along Newport Coast Drive. 30 Comment
  UCD59799  Cortaderia selloana A. C. Sanders 1990-10-6 10196 Orange Newport Bay, North Star County Beach area on the southwest end of the bay, ca. 2 km inland of Hwy. 1. 1 Comment
  CAS-BOT-BC287220  Cotula australis Ira L. Wiggins 1966-2-12 20434 Orange N side of La Palma Ave near Harbor Blvd, Anaheim Comment
  CHSC101981  Cotula coronopifolia Sean P. Gallagher 1988-4-2 6 Orange W end of Bolsa Chica channel. 0 Comment
  HSC94229  Cotula coronopifolia D. Atwood 1993-3-29 17728 Orange Huntington Beach along Beach Blvd., 0.5 mi. N of the beach Comment
Read comments
Jul 14 2012
  UCR138397  Cotula coronopifolia Scott D. White, Brian Leatherman 1997-6-12 5335 Orange Santa Ana Mtn. foothills, E of San Juan Capistrano: San Juan Creek between Hwy 74 bridge and Mission Vieja site, i.e. c. 2-4 mi east of Hwy I-15/Hwy 74 junction 76 Comment
  CAS-BOT-BC77622  Cotyledon Carl B. Wolf 1936-7-8 8099 Orange Coast Highway, western end of Newport Bay 9 Comment
Read comments
Dec 20 2019
  IRVC18551  Crassula connata A. B. McGee 1981-3-28 Orange [UCI] Ecological Preserve. Irvine Comment
  UCR5169  Crassula connata Barbara T. Gittins, O. F. Clarke 1966-3-19 890 Orange Pacific slope, Irvine Ranch, east of University of California Irvine campus, Newport Beach 91 Comment
  RSA184073  Crassula connata I. L. Wiggins 1966-3-5 20498 Orange Among grasses and weeds on grazed hillside, along hwy S-18, about 4.5 mi. E of Laguna Beach Comment
  RSA697347  Cressa truxillensis Keith E. Hoffmaster 1926-12-18 s.n. Orange Santa Ana Comment
  SD39860  Cressa truxillensis Edith A. Purer 1932-9-1 4903 Orange Newport Beach Comment
  UCR157706  Cressa truxillensis Adrian Wolf 1998-7-1 420 Orange South Coast, north Newport Oil Fields and East Banning Park; between Huntington Beach, Costa Mesa and Newport Beach, just south of the channelized mouth of the Santa Ana River 6 Comment
  IRVC22971  Cressa truxillensis Karlin G. Marsh 1986-8-26 Orange Flood Control Channel F-10 east of Redhill Ave.; dry banks of flood control channel. Tustin Comment
  POM260477  Cressa truxillensis Ella Carter 1941-08 2 Orange Near coast highway, Newport Beach. Comment
  SD247629  Crocanthemum aldersonii R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49679 Orange Northern Santa Ana Mountains; Coal Canyon [NE of Sierra Peak] 456 Comment
  IRVC25466  Croton californicus Fred M. Roberts 1987-4-21 3381 Orange Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo 73 Comment
  SEINET6971880  Cryptantha W. P. Vestal, A. G. Vestal 1955-3-24 3451 D Orange Trabuco Canyon, about 5 miles east of El Toro. Comment
  RSA641  Cryptantha clevelandii J. T. Howell 1927-7-22 460 Orange North of Botany Garden, Rancho Santa Ana. 274 Comment
  UCR193047  Cryptantha clevelandii A. C. Sanders, Mitch Provance 2008-5-20 35409 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 355 Comment
  POM146229  Cryptantha clevelandii var. florosa F. M. Reed 1926-4-14 5301 Orange Bluffs along sea at Arch Beach. 46 Comment
  IRVC16220  Cryptantha intermedia Gordon A. Marsh 1978-5-17 Orange UCI Ecological Preserve, Irvine Comment
  JEPS22385  Cryptantha intermedia John Thomas Howell 1927-6-5 2435 Orange Santa Ana Canyon 152 Comment
  RSA0013857  Cryptantha intermedia Fred M. Roberts 2012-5-10 7563 Orange San Joaquin Hills: Buck Gully, S Fork, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive. 183 Comment
  SDSU5475  Cryptantha intermedia A. M. White 1974-6-1 74 -671 Orange Ca. 20 m. east of Santa Ana; north of Silverado Canyon. 1006 Comment
  UC971737  Cryptantha intermedia L. M. Booth 1932-5-12 1028 Orange Newport Bay Comment
  UCR203980  Cryptantha intermedia Fred M. Roberts 2008-3-12 6716 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR241913  Cryptantha intermedia Fred M. Roberts 2012-5-10 7563 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, south fork of Buck Gully, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive 183 Comment
  UCR5137  Cryptantha intermedia Barbara T. Gittins, O. F. Clarke 1966-3-19 897 Orange Pacific slope, Irvine Ranch, east of University of California Irvine campus, Newport Beach 91 Comment
  RSA0127341  Cryptantha intermedia var. intermedia Fred M. Roberts 2016-3-17 8023 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  RSA450853  Cryptantha microstachys Gordon Marsh 1978-3-17 s.n. Orange U.C. Irvine Ecological Preserve. 85 Comment
  UCR209368  Cryptantha microstachys Fred M. Roberts, Linda Farley 2008-3-28 6829 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  UCR77711  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6191 Orange Santa Ana Mtns, Crest of range at Oak Flat, SE of Sierra Peak, just west of Riverside County line. 854 Comment
  SD247614  Cryptantha muricata R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1997-4-27 49663 Orange Northern Santa Ana Mountains: Coal Canyon (NW of Sierra Peak). Comment
  IRVC17025  Cryptantha muricata var. muricata C. Weir 1965-4-24 Orange Newport Back Bay. Newport Beach Comment
  UCR217302  Cucurbita foetidissima Mark A. Elvin 2003-3-30 2398 Orange South Coast, north side of UC Irvine Preserve, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  UCR141347  Cupaniopsis anacardioides Robert DeRuff 2001-1 488 Orange Southern Coast, Newport Beach, Newport Back Bay, near edge of 23rd Street Creek 12 Comment
  MACF020320  Cupressus Richard J. Ramirez 1974-11-3 D 3 Orange Collected about 8 mi. inland on Saddleback Canyon Rd., from Tucker Wildlife Sanctuary. Comment
  CAS-BOT-BC80571  Cupressus forbesii James R. Shevock 1976-10-28 5347 Orange off of Sierra Peak, FS road 3S04 - Santa Ana Mountains, Cleveland National Forest 883 Comment
  IRVC19540  Cupressus forbesii Karlin G. Marsh 1982-7-30 Orange Coal Canyon, west slope, at Claymont Clay Mine. Santa Ana Mountains Comment
  RSA17652  Cupressus forbesii C. B. Wolf 1935-1-2 6279 Orange Slopes of Sierra Peak, west of Claymine Canyon, along road to Peak. 670 Comment
  UCD133487  Cupressus forbesii C. B. Wolf 1935-1-2 6278 Orange Santa Ana Mts., slopes of Sierra Peak, W. of Claymine Canyon along road to peak. 670 Comment
  NY16675  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6278 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA658213  Cuscuta californica T. A. Daubert 1991-5-26 670 Orange Tucker Wildlife Sanctuary, Modjeska Canyon nature trail. Comment
  RSA788244  Cuscuta californica R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49628 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station Comment
  UCR230836  Cuscuta californica Dick Newell, Don Millar, Shara Harris 2011-6-21 185 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agua Chinon Wash 207 Comment
  RSA409692  Cuscuta californica Albert J. Perkins 1913-2-9 s.n. Orange Peralta. Comment
Read comments
Jun 16 2012
  RSA409708  Cuscuta californica George Price 1967-5-17 s.n. Orange Irvine Lake Comment
  RSA254969  Cuscuta salina C. W. Tilforth 1975-9-3 1037 Orange Northeast shoreline of Upper Bay, Newport Beach Comment
  RSA409747  Cuscuta salina F. R. Fosberg 1930-7-10 3186 Orange Anaheim Landing. [Now Seal Beach, Orange County. Los Angeles Co. on label] 1 Comment
  UCR195020  Cuscuta subinclusa A. C. Sanders, Fred M. Roberts 2008-8-7 35992 Orange Peninsular Range; Santa Ana Mtns., lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 192 Comment
  RSA0036642  Cuscuta subinclusa Robt. Allen 2007-8-11 s.n. Orange Peninsular Ranges; Santa Ana Mountains region: Western arm of Modjeska Peak, at junction of North Main Divide Road and road spur to the summit. 1531 Comment
  RSA759535  Cuscuta subinclusa Robt. Allen 2006-12-13 s.n. Orange Trabuco Canyon. About 2 mi. up from Live Oak Road, SW of Trabuco Truck Trail, in creekbed near base of north-facing hillside 395 Comment
  RSA743475  Cylindropuntia prolifera Fred M. Roberts, Carol A. Roberts 2008-9-28 7117 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  CAS-BOT-BC299754  Cynara cardunculus Le Roy Abrams 1901-6-1 1767 Orange Near Irvine Comment
  RSA758901  Cynara cardunculus subsp. flavescens A. C. Sanders, Fred M. Roberts 2008-6-17 35474 Orange Lomas de Santiago, East Loma Ridge Spur Road near Hicks Cyn. Haul Rd. 353 Comment
  RSA797404  Cynara cardunculus subsp. flavescens Keith E. Hoffmaster 1933-10-8 s.n. Orange Near Newport Bay. Comment
  UCSC000021  Cynodon dactylon I. J. Condit 2008-7-20 s.n. Orange Los Alamitos Comment
  RSA47  Cynodon dactylon J. T. Howell 1927-7-27 488 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  CHSC116492  Cyperus eragrostis R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49572 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  RSA594874  Cyperus erythrorhizos Fred M. Roberts, W. R. Ferren 1991-12-1 4829 Orange San Joaquin Hills: Laguna Canyon, Upper Laguna Lake, 3.5 kilometers N junction El Toro Road, 4.9 kilometers ENE Signal Peak. 113 Comment
  UCSB54128  Cyperus esculentus Roberts, Fred 1986-8-9 Orange Yorba Linda; Santa Ana Canyon, Green River Golf Course above Santa Ana River, UTM 3747650mN, 437300mE 124 Comment
  UCR194990  Cyperus involucratus A. C. Sanders, Fred M. Roberts 2008-8-7 35999 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  UCR138404  Cyperus niger Scott D. White, Brian Leatherman 1997-6-12 5320 Orange Santa Ana Mtn. foothills, E of San Juan Capistrano: San Juan Creek between Hwy 74 bridge and Mission Vieja site, i.e. c. 2-4 mi east of Hwy I-15/Hwy 74 junction 76 Comment
  SD255032  Cyperus niger Robert F. Thorne 1977-11-21 49999 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs. Comment
  SD87779  Cyperus niger F. W. Peirson 1924-10-19 5231 Orange Wintersberg; at wates edge in ditches. Comment
  RSA450865  Cyperus odoratus Gordon Marsh, Karlin G. Marsh 1977-11-21 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. Comment
  RSA718966  Cyperus odoratus Fred M. Roberts, Robert L. Allen 2006-10-8 6414 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  UCR166792  Cyperus odoratus R. E. Riefner Jr. 2005-7-9 05- 551 Orange South Coast, city of Huntington Beach, Huntington Central Park, Goldenwest Street near Slater Avenue 1.5 Comment
  RSA0036013  Cyperus odoratus Robert F. Thorne 1977-11-21 50802 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  SD240772  Cyrtomium falcatum R. E. Riefner Jr. 2011-7-1 11 83 Orange City of Newport Beach, beach area west of the end of Camep Shores Road; south ca. 1 mi from Poppy Avenue. 2 Comment
  SD260849  Cyrtomium falcatum R. E. Jr. Riefner 2012-2-2 12 19 Orange City of Dana Point, cliff and rocky intertidal area N 0.2 mi of Salt Creek lagoon. 9 Comment
  UC2031957  Cyrtomium falcatum R. E. Riefner Jr. 2012-2-2 12 -19 Orange City of Dana Point, cliff and rocky intertidal area N 0.2 mi of Salt Creek lagoon Comment
  UCR182824  Cyrtomium falcatum R. E. Riefner Jr. 2006-9-5 06- 417 Orange Southern Coast, Corona del Mar, Ocean Blvd. near Iris Ave. 11 Comment
  RSA750900  Dactylis glomerata A. C. Sanders 2008-7-3 35717 Orange Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., at Agustine Staging Area 260 Comment
  UCR174179  Datisca glomerata A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33019 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  POM201713  Datura stramonium L. M. Booth 1932-7-30 1345 Orange Santa Ana River Comment
  RSA33529  Datura wrightii N. C. Cooper 1942-11-9 886 Orange Balboa. Comment
  RSA734974  Datura wrightii A. C. Sanders, Fred M. Roberts 2008-6-17 35465 Orange Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  RSA743455  Datura wrightii Fred M. Roberts 2008-7-10 7075 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  UC884536  Datura wrightii E. Lloyd 1933-5-13 Orange Laguna Beach Comment
  UCR192977  Datura wrightii A. C. Sanders, Fred M. Roberts 2008-6-17 35465 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  RSA651331  Datura wrightii Candye Koehler 1981-4-11 81 -4 Orange Carbon Canyon Rd. #142 3.3mi. W. of Sleepy Hollow. 244 Comment
  RSA699551  Daucus pusillus J. Vlahos s.n. Orange Santiago Canyon Comment
  UCR154345  Daucus pusillus Mark A. Elvin 2004-5-2 3409 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  UCSC001457  Daucus pusillus Peter Kamb 1948-6-19 1086 Orange Holy Jim Canyon, Santa Ana Mountains 610 Comment
  IRVC29253  Deinandra fasciculata Kay Stockwell 1999-7-13 s.n. Orange Cannon Road (extension of Imperial Hwy) at Goldenrod St. Peralta Hills 152 Comment
  RSA747715  Deinandra fasciculata Fred M. Roberts 2008-7-10 7064 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  UC480895  Deinandra fasciculata D. L. Crawford 1915-9-1 504 Orange Huntington Beach Comment
  UC536895  Deinandra fasciculata Lawrence M. Booth 1932-5-12 1038 Orange Newport Bay Comment
  CAS-BOT-BC299328  Deinandra fasciculata Palmer Stockwell 1934-5-12 60 Orange Laguna Beach Comment
  UCR267217  Deinandra paniculata Fred M. Roberts 2014-7-25 7882 Orange South Coastal Plain, SAN JOAQUIN HILLS: Laguna Canyon, Nix Nature Center, Laguna Coast Wilderness Park, about 4.4 km E Signal Peak 126 Comment
  UCR274558  Deinandra paniculata R. E. Riefner Jr. 2014-6-3 14- 144 Orange City of Laguna Beach, Moulton Meadows, NE 0.1 mi. from Del Mar Ave. and Balboa Ave. along Mentally Sensitive Trail 266 Comment
  RSA6131  Delphinium cardinale E. R. Johnson 1932-6-14 s.n. Orange Edge of Rancho Santa Ana, Santa Ana Canyon. Alt. 450 ft. 137 Comment
  UC729868  Delphinium cardinale Carl B. Wolf 1932-7-2 3821 Orange 1/8 mi below La Vida Springs; Carbon Canyon 213 Comment
  UCSB50633  Delphinium cardinale Roberts, Fred 1982-7-9 Orange Santa Ana Mtns; c.a. 2.3km by road W Hwy 74 on forestry road; 2.5km WSW El Cariso Guard Station 925 Comment
  RSA0005324  Delphinium maritimum Anstruther Davidson 1910-4-20 2471 Orange Corona Del Mar. Comment
  UCR228780  Delphinium parryi Dick Newell, E. D. Hill 2011-6-7 170 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon 341 Comment
  RSA0028963  Delphinium parryi subsp. parryi Thelma Shipe 1932-5-26 s.n. Orange Laguna Hills. PR8. Comment
  POM8761  Delphinium patens subsp. hepaticoideum P. A. Munz, R. D. Harwood 1920-4-24 3749 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  RSA2073  Delphinium patens subsp. hepaticoideum Carl B. Wolf 1931-3-6 1856 Orange Trabuco Canyon, 1.5 mile below Trabuco Camp Grounds, west slope of Santa Ana Mountains. 610 Comment
  RSA221084  Delphinium patens subsp. hepaticoideum E. W. Lathrop 1966-3-23 6107 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA171106  Dendromecon rigida subsp. rigida Robert F. Thorne 1963-7-26 32833 Orange Santa Ana Mts., Cleveland National Forest, Trabugo District. 1189 Comment
  RSA5408  Dendromecon rigida subsp. rigida Carl B. Wolf 1932-12-19 4442 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  SD247680  Dendromecon rigida subsp. rigida R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49702 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA162740  Descurainia californica J. D. Olmsted 1959-4-23 472 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 Comment
  UCR211966  Descurainia pinnata Dick Newell, Don Millar 2010-2-23 001 Orange South Coast, Serrano Ridge, 3 mi west of Laguna Hills, 0.67 mi west of Languna Canyon Road, east of Shady Canyon 244 Comment
  RSA0073654  Descurainia pinnata subsp. halictorum Fred M. Roberts 2010-3-12 7183 Orange Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center. 50 Comment
  RSA3133  Descurainia pinnata subsp. menziesii C. B. Wolf 1932-2-26 2663 Orange Native to area near Prunus ilicifolia bed, Rancho Sant Ana Botanic Garden. 137 Comment
  CAS-BOT-BC402217  Dicentra chrysantha L. R. Abrams 1901-6-1 1806 Orange Santiago Pk. Comment
  RSA433600B  Dicentra ochroleuca Freda Detmers 1931-6-19 s.n. Orange Santa Ana Valley. Comment
  UCR140805  Dichelostemma capitatum Robin G. Marushia 2004-4-16 004 Orange Southern Coast, El Moro Canyon, Crystal Cove State Park, Laguna Beach; grassy ridge southwest of No Name Ridge road in park, downhill from pullout and below closed road to park entrance 244 Comment
  UCR188995  Digitaria sanguinalis Fred M. Roberts 2007-10-29 6624 Orange South Coast, Laguna Beach, Temple Hill. Nyes Place, c. 0.2 km S of Moulton Meadows Park 232 Comment
  RSA791493  Digitaria sanguinalis R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49611 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station Comment
  RSA0029994  Dimorphotheca fruticosa R. E. Riefner Jr. 2011-7-1 11 -79 Orange City of Newport Beach, beach area W. of Shorecliff Road and Cameo Shores Road. 2 Comment
  RSA0047115  Dinebra retroflexa var. retroflexa O. F. Clarke, D. Svehla 2004-8-23 s.n. Orange Santa Ana River Valley: Yorba Linda, Yorba Regional Park, Santa Ana River bank near intersection of E. La Palma Ave. and Fairmont Blvd. 91 Comment
  SBBG6929  Diplacus X australis M. Van Rensselaer 1944-11-26 1875 Orange Laguna Cyn, ca. 2 mi NE of Laguna Beach Comment
  SEINET13682959  Diplacus aurantiacus R. Nelson, Baumann, Kondratieff, Sargent 1988-1-12 5117 Orange Cleveland NF, San Juan Creek at Lower San Juan Campground. 366 Comment
  SJSU1768  Diplacus aurantiacus G. B. Youngberg 1956-3-27 185 Orange Irvine Park c. 8 mi E of Orange 259 Comment
  CAS-BOT-BC151044  Diplacus brevipes John Thomas Howell 1927-6-5 2429 Orange Southern Puente Hills in the Santa Ana [Canon] Canyon 152 Comment
  SDSU2450  Diplotaxis muralis D. F. Howe 1977-5-23 4951 Orange Corner of Empire & Broadway, Anaheim. Comment
  CDA3675  Diplotaxis tenuifolia R. K. Bishop Nov 1937 Orange 1 1/2 mile northwest of Orange - railroad right-of-way. 0 Comment
  RSA610234  Dodecatheon clevelandii Fred M. Roberts 1997-2-7 4976 Orange Rancho Mission Viejo: Calif. Rte. 74 circa 6.8 km E Interstate 5 ( San Juan Capistrano) opposite the mouth of Canada Gobernadora, 1.2km NE Viejo Survey Mark. 88 Comment
  RSA701656  Drymocallis glandulosa Keith E. Hoffmaster 1935-5-5 s.n. Orange San Juan Canyon., Santa Ana Mts. Comment
  CAS-BOT-BC70835  Dryopteris arguta Ira L. Wiggins 1966-2-4 20410 Orange Trabuco Canyon, about 1/2 mi. above end of open road Comment
  IRVC22501  Dryopteris arguta Fred M. Roberts 1985-4-30 1673 Orange Laguna Beach: Temple Hill; at margin of "Dripping Springs Canyon"; 0.4km NNE Top of the World School. Southern Coastal 255 Comment
  UCR100209  Dryopteris arguta Scott D. White 1996-12-20 4631 Orange Santa Ana Mountains, above Modjeska Canyon; proposed water tank site 488 Comment
  UCR193840  Dryopteris arguta A. C. Sanders, Fred M. Roberts 2008-7-16 35862 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hangmans Tree Canyon 379 Comment
  UCR215285  Dryopteris arguta Fred M. Roberts 2008-5-14 6962 Orange Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy 337 Comment
  CAS-BOT-BC70836  Dryopteris arguta Carl B. Wolf; E. R. Johnson 1939-3-16 9492 Orange Santa Ana Mts., north side of Pleasant's Peak 1219 Comment
  IRVC25312  Dryopteris arguta Fred M. Roberts 1987-3-27 3278 Orange Canada de Los Alisos; Canada Rd., 4.5km NNE El Toro Fire Station. Southern Coastal 226 Comment
  RSA791466  Dryopteris arguta Keith E. Hoffmaster 1928-5-29 36 Orange San Onofre. Comment
Read comments
Nov 19 2013
  IRVC136  Dryopteris cristata Bruce Reynolds 1965-4-29 HS 532 Orange Newport Beach; Balboa Island; 118 Amethyst Ave. Southern Coastal 3 Comment
  CAS-BOT-BC109566  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1950-4-24 3388 Orange San Clemente, atop sea bluffs Comment
  CAS-BOT-BC109689  Dudleya cymosa subsp. ovatifolia K. Nakai 1979-10-30 542 Orange Santa Ana Mountains, Santiago Canyon, end of Modjeska Road. 487 Comment
  RSA629057  Dudleya cymosa subsp. ovatifolia Valerie L. Soza, LeRoy Gross 1999-6-7 473 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
Read comments
May 26 2016
  RSA0063395  Dudleya edulis Fred M. Roberts, David Bramlet 2003-6-6 5909 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. 149 Comment
  RSA423526  Dudleya edulis M. B. Dunkle 1923-06 5374 Orange San Juan Canyon. Comment
  SD207012  Dudleya edulis Reid Moran 1948-6-23 3096 Orange Aliso Canyon; Laguna Beach. Comment
  UC933206  Dudleya edulis Reid Moran 1949-7-2 3287 A Orange Aliso Canyon Laguna Beach Comment
  CAS-BOT-BC411408  Dudleya lanceolata E. W. Lathrop 1974-6-27 7423 Orange 5 miles E of Trabuco Oaks, Trabuco Canyon, Cleveland Nat'l. Forest 396 Comment
  POM201797  Dudleya lanceolata L. M. Booth 1932-6-9 s.n. Orange Newport Bay Comment
  RSA50298  Dudleya lanceolata E. K. Balls 1949-5-21 13470 Orange spontaneous in Rancho Santa Ana Botanic Garden (original site), hillside east of Cactus Garden, Santa Ana River Canyon. 198 Comment
  RSA716782  Dudleya lanceolata Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill 2004-6-19 6063 Orange Santa Ana Mtns.: Holy Jim Cyn.: Holy Jim Trail, 3.1km SE summit of Santiago Peak. 695 Comment
  SD130033  Dudleya lanceolata Reid Moran 1977-6-13 24235 Orange Willow Canyon, tributary of Laguna Canyon. 124 Comment
  RSA584715  Dudleya lanceolata Fred M. Roberts 1989-5-18 4371 Orange Santa Ana Mountains: Upper Gypsum canyon, above ridge road, ca. 6.4 km WSW Sierra Peak. 415 Comment
  RSA542536  Dudleya multicaulis Fred M. Roberts, Kathy Keane 1988-5-25 4000 Orange Rancho Mission Viejo: Lower Canada Gobernadora, ca. 2.4 kn SW Cliff Survey Marker. 110 Comment
  RSA550604  Dudleya multicaulis Fred M. Roberts 1989-4-25 4309 Orange Santa Ana Mountains: East Rim of Blind Canyon 8.5 kilometers SW Sierra Peak, c. 1.4 kilometer N Irvine Lake spillway. 366 Comment
  RSA594811  Dudleya multicaulis Fred M. Roberts, Edna Rey, Kay Stockwell 1993-5-6 4880 Orange El Modena: Lomita Ave, ca. 0.4 km by road E Santiago Blvd., 0.4 km W Bauer Survey Marker. 122 Comment
  UC536908  Dudleya multicaulis Lawrence M. Booth 1932-5-18 1054 Orange Newport Bay Comment
  UC933212  Dudleya multicaulis Reid Moran 1950-4-24 3387 Orange 0.4 mi above El Toro road junction with Laguna Canyon road (s of El Toro road, Laguna Canyon); Laguna Canyon 91 Comment
  UC933338  Dudleya pulverulenta subsp. pulverulenta Reid Moran 1948-6-23 3099 Orange n side Aliso Canyon; Laguna Beach Comment
  NY24581  Dudleya stolonifera R. V. Moran 1949-7-2 3286 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET3089344  Dudleya stolonifera Reid Moran 1977-1 Orange Comment
  CAS-BOT-BC109743  Dudleya stolonifera R. V. Moran 1949-7-2 3286 Orange 1.7 mile below Toro Road Junction, -1.5 mile above canyon mouth. Laguna Canyon. 243 Comment
  SEINET10576510  Dudleya stolonifera Reid Moran 1948-1 Orange Comment
  IRVC26520  Dudleya virens subsp. hassei Mark A. Elvin 2004-5-22 3448 Orange UCI Arboretum Southern Coastal 15 Comment
  SD212579  Dudleya viscida A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33053 Orange Santa Ana Mountains; San Juan Canyon from Lower San Juan Picnic Area to ca. 1.0 mile downstream, parallel to Highway 74 and near Riverside County line. 366 Comment
  UC1015403  Dudleya viscida Reid Moran 1931-1 5246 Orange San Juan Hot Springs Comment
  IRVC26741  Dudleya viscida Mark A. Elvin 2004-6-18 3520 Orange UCI Arboretum Southern Coastal 15 Comment
  CAS-BOT-BC197032  Echinochloa colona E. R. Johnson 1936-7-10 8104 Orange Rancho Santa Ana, Santa Ana Canyon Vegetable Garden 121 Comment
  RSA731947  Echinochloa colona Fred M. Roberts, Sandy Leatherman 2007-11-27 6688 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA452553  Echinochloa crus-galli Fred M. Roberts 1987-8-19 3586 Orange Santa Ana River: adjacent to Fountain Valley, Harbor Bridge. 13 Comment
  RSA731944  Echinochloa crus-galli Fred M. Roberts, Sandy Leatherman 2007-11-27 6691 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA6068  Echinochloa crus-galli C. B. Wolf 1932-6-13 3720 Orange Fullerton, Rose Drive 53 Comment
  RSA713568  Echinochloa crus-galli R. E. Riefner Jr. 2005-7-9 5 -552 Orange City of Huntington Beach, Huntington Central Park, Goldenwest St. near Slater Ave. 2 Comment
  SD247549  Echinochloa crus-galli R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49634 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs. Roadside ditch. Comment
  RSA697609  Echinocystis macrocarpa Effie Jessup s.n. Orange Arch Beach Hills Comment
  CAS-BOT-BC445608  Echinodorus berteroi I. M. Johnston 1918-9-3 2151 Orange Laguna Canon [Canyon], San Joaquin Hills 106 Comment
  RSA443824  Echinodorus berteroi Gordon Marsh 1975-7-28 s.n. Orange Huntington Beach: East Garden Grove-Wintersburg Flood Control Channel, just N of Warner St. bridge crossing, (No. C05) Comment
  RSA794758  Echinodorus berteroi Justin M. Wood, Dustin M. Ray 2010-10-1 2775 Orange Santa Ana Canyon: Santa Ana River plus/minus 1 mi downstream of Gypsum Canyon Bridge, just upstream of large commercial development. Near drain outflow from Flood Control Levee on south side of channel. 110 Comment
  RSA747632  Echium candicans Fred M. Roberts 2008-5-16 6979 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  SD133156  Echium fastuosum A. C. Sanders 1990-10-6 10183 Orange Newport Bay, North Star County Beach area on the southwest end of the bay, ca. 2 km inland of Highway 1 0 Comment
  JEPS30718  Eclipta prostrata Peter H. Raven 1961-10-15 16849 Orange Anaheim Street, Anaheim, Santa Ana River Bed Santa Ana River Bed, Anaheim, Anaheim Street 60 Comment
  RSA800668  Eclipta prostrata Justin M. Wood 2010-9-29 2753 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  UC1930109  Ehrharta calycina Scott D. White, Michael Honer 2003-6-12 9542 Orange SOUTHWESTERN SANTA ANA MTS FOOTHILLS: Rancho Mission Viejo. Upper end of Trampas Canyon. Comment
  RSA731651  Ehrharta erecta Fred M. Roberts 2007-10-29 6628 Orange Laguna Beach: Temple Hill, Nyes Place, c.a. 0.2 km S Moulton Meadows Park. 232 Comment
  POM11616  Elatine brachysperma P. A. Munz 1921-4-12 4478 Orange Laguna Beach; 1 mile north of Laguna on bluff near clubhouse. 61 Comment
  UCR218616  Eleocharis coloradoensis Robert DeRuff 2008-1 575 Orange South Coast, Upper Newport Bay, between Mariner's Drive and 23rd St. 12 Comment
  CAS-BOT-BC112764  Eleocharis macrostachya John Thomas Howell 1927-6-30 2619 Orange Mucky soil of canal bank 7 miles east of Long Beach. 15 Comment
  UCR174181  Eleocharis montevidensis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33048 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA722324  Eleocharis palustris J. Russell Bruff 1927-3-16 2 -M Orange Roadside at Country Club. Comment
Read comments
Sep 20 2011
  RSA573297  Eleocharis radicans Steve Boyd, Timothy S. Ross 1994-9-14 8354 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon Trail crossing. 305 Comment
  SD136984  Eleocharis radicans Steve Boyd, Tim Ross 1994-9-14 8354 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon Trail crossing. (IPB 10/07) 305 Comment
  CAS-BOT-BC112211  Eleocharis rostellata John Thomas Howell 1927-7-21 2807 Orange Marsh, Santa Ana River bottom, Santa Ana Canyon 152 Comment
  RSA0117550  Eleocharis rostellata L. M. Booth 1932-6-4 1151 Orange Newport Lagoon. Comment
  RSA542551  Eleusine indica Fred M. Roberts 1987-8-19 3587 Orange Santa Ana River: adjacent to Fountain Valley, Harbor Bridge. 13 Comment
  RSA725461  Eleusine indica Fred M. Roberts 2007-8-6 6556 Orange San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk. 52 Comment
  RSA5828  Elymus X gouldii C. B. Wolf 1932-6-28 3794 Orange Bryant Ranch, north boundary of field. 9 Comment
  RSA748263  Elymus X gouldii A. C. Sanders, Mitch Provance 2008-5-20 35396 Orange Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  SEINET10897340  Elymus condensatus Frank W. Gould 1944-6-25 Gould 2365 Orange Santa Ana Canyon, on railroad siding about 5 miles west of former site of Santa Ana Botanical Garden. Comment
  RSA798184  Elymus glaucus R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49597 -a Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  RSA65  Elymus multisetus J. T. Howell 1927-6-8 53 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  SEINET10841966  Elymus stebbinsii subsp. stebbinsii LeRoy R. Abrams Abrams 1822 Orange Santiago Pk. Comment
  RSA539404  Emmenanthe penduliflora Fred M. Roberts, Carol A. Roberts 1988-6-2 4035 Orange Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak. 817 Comment
  UCR191237  Emmenanthe penduliflora A. C. Sanders, Fred M. Roberts 2008-4-22 34987 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon haul road, just above Irvine Ranch gate and road to cement plant, c. 1 mile NE of Rattlesnake Reservoir 244 Comment
  CAS-BOT-BC131226  Encelia californica Helen D. Geis 1902-1-1 540 Orange Santiago Cr. Comment
  IRVC649  Encelia californica L. Stilgenbauer 1965-3-28 Orange Corona del Mar, MacArthur Blvd. Newport Beach Comment
  RSA221019  Encelia californica E. W. Lathrop 1966-3-23 6082 Orange Skyline Drive between Tin Mine Canyon and Black Star Canyon, 6 miles W of Corona, Santa Ana Mts. 427 Comment
  RSA301996  Encelia californica J. R. Shevock 1972-2-18 1335 Orange Newport Beach Bay 11 Comment
  RSA647887  Encelia californica Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 61 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  RSA650815  Encelia californica Daniel Truong 1991-5-13 31 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of 'closed area' Comment
  UCR191328  Encelia californica A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34611 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  UCR239635  Encelia californica Fred M. Roberts 2012-4-24 7503 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR99554  Encelia californica B. G. Pitzer 1996-4-30 2792 Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  CAS-BOT-BC166349  Epilobium canum subsp. canum John Thomas Howell 1927-7-28 2868 Orange Hills on n. side of Santa Ana [Canon] Canyon 182 Comment
  IRVC8766  Epilobium canum subsp. canum Charles W. Sexton 1965-2-12 s.n. Orange Newport Beach. Southern Coastal Comment
  RSA717047  Epilobium ciliatum Fred M. Roberts 2005-10-3 6290 Orange San Juan Capistrano: San Juan Creek, La Novia Road bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  RSA749047  Epilobium ciliatum A. C. Sanders, Fred M. Roberts 2008-8-7 35989 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  JEPS39218  Epilobium ciliatum subsp. ciliatum John Thomas Howell 1927-10-29 3178 Orange e Newport Beach (flats near ocean) Comment
  POM201878  Epilobium ciliatum subsp. ciliatum L. M. Booth 1932-6-4 1145 Orange Newport Lagoon. Comment
  POM6436  Epilobium ciliatum subsp. ciliatum P. A. Munz, L. T. Street, G. Williams 1919-5-4 2680 Orange Laguna Canyon. Comment
  RSA72176  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1924-5-31 4653 Orange Laguna Canyon, near Laguna Beach. 107 Comment
  RSA731008  Epilobium ciliatum subsp. ciliatum Fred M. Roberts 2006-11-15 6471 Orange Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing. 85 Comment
  RSA734342  Eragrostis barrelieri A. C. Sanders, Linda Farley, Fred M. Roberts, David E. Bramlet 2008-4-1 34633 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 366 Comment
  RSA226743  Eragrostis mexicana subsp. virescens I. L. Wiggins 1965-11-7 20358 Orange Vacant lot between State College Blvd. and Troy High School Campus, Fullerton. Comment
  UC2042144  Eragrostis mexicana subsp. virescens R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49567 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  JEPS52502  Eremocarpus setiger John Thomas Howell 1927-9-24 3108 Orange Rancho Santa Ana Santa Ana Canyon 152 Comment
  RSA0105523  Eriastrum densifolium subsp. austromontanum M. Clinton 1931-6-24 s.n. Orange South Fork S.A. River. Comment
  UC908507  Eriastrum sapphirinum John Thomas Howell 1927-6-9 2471 Orange Santa Ana Canyon Rancho Santa Ana 213 Comment
  UCR193057  Eriastrum sapphirinum A. C. Sanders, Fred M. Roberts 2008-6-17 35505 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, Windy Ridge Rd., saddle on ridge at head, above the Eastern Transportation Corridor 400 Comment
  UCR73131  Eriastrum sapphirinum Scott D. White 1992-9-23 854 Orange Vicinity of Olinda, near city of Brea, immediately north of Carbon Canyon Road and east of Placentia Ave.; c. 1 mi. (airline) SSE of Tonner Canyon 183 Comment
  CAS-BOT-BC515000  Eriastrum sapphirinum subsp. dasyanthum H. F. Copeland 1938-6-28 s.n. Orange Hills back of Laguna Beach Comment
  RSA699268  Ericameria palmeri J. Vlahos 1933-10-5 s.n. Orange French Hill. 5 mi. east of airport. Comment
Read comments
Jan 29 2015
  RSA843  Ericameria palmeri var. pachylepis J. T. Howell 1927-9-24 748 Orange Santa Ana Botany Garden 152 Comment
  RSA7387  Ericameria parishii C. B. Wolf 1933-8-24 5407 Orange Main divide motorway S of Beaford Peak, Santa Ana Mts 1067 Comment
  IRVC18682  Ericameria parishii var. parishii Karlin G. Marsh 1981-5-2 Orange N slope of Bald Peak. Santa Ana Mountains Comment
  IRVC9107  Erigeron foliosus var. stenophyllus R. Seibel 1966-5-18 132 Orange Old Rancho Santa Ana Botanical Garden at end of Orangethorpe Ave. Chino Hills Comment
  POM49713  Erigeron foliosus var. stenophyllus L. R. Abrams 1901-6-16 1801 Orange Trabuco Canyon Comment
  RSA7468  Erigeron foliosus var. stenophyllus C. B. Wolf 1933-8-24 5392 Orange Summit of Santiago Peak, Santa Ana Mountains. 1707 Comment
  POM357494  Erigeron foliosus var. stenophyllus F. R. Fosberg 1931-6-21 748 Orange Silverado Canyon. Santa Anita Mts. Comment
Read comments
Nov 26 2016
  LA67535  Eriodictyon crassifolium David S. Verity; Fred Lang 1972-7-14 sn Orange hills behind South Laguna, at the top of Pacific Island Drive Comment
  RSA550599  Eriodictyon crassifolium Fred M. Roberts 1989-4-26 4315 Orange Lomas de Santiago: Lower Santiago Canyon, 10.1 km SW Sierra Peak, ca. 1.3 km NW Irvine Lake spillway. 195 Comment
  UCD169761  Eriodictyon crassifolium R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49682 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  CAS-BOT-BC189120  Eriodictyon crassifolium var. crassifolium Agnes M. Bowman 1899-6-1 s.n. Orange In Santiago Canyon Comment
  POM201864  Eriogonum elongatum L. M. Booth 1933-8-26 1387 Orange Newport Lagoon. Comment
  CDA23118  Eriogonum fasciculatum Eric Chu, Alyssa J. Lai 2006-2-4 1 Orange Southern Coastal; San Joaquin Marsh; northwest edge of Marsh. Comment
  RSA3099  Eriogonum fasciculatum Carl B. Wolf 1931-8-9 2300 Orange 1/2 mile south of Corona del Mar beach 8 Comment
  RSA0055085  Eriogonum fasciculatum James R. Shevock 1972-2-18 1338 Orange Newport Back Bay. 10 Comment
  RSA650634  Eriogonum fasciculatum subsp. fasciculatum Daniel Truong 1991-5-13 22 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of 'closed area' Comment
  UCR250868  Eriogonum fasciculatum subsp. polifolium Dick Newell, Judy Booth 2014-4-27 365 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Maple Springs Road 0.8 mi. ENE of lower gate 632 Comment
  CAS-BOT-BC253220  Eriogonum fasciculatum var. fasciculatum D. L. Crawford 1916-5-10 s.n. Orange Laguna Beach 304 Comment
  UC527456  Eriogonum fasciculatum var. fasciculatum C. B. Wolf 1931-8-9 2300 Orange 1/2 mi s (1st small can.) Corona Del Mar beach (bottom of ravine near ocean) 7 Comment
  SEINET6418403  Eriogonum fasciculatum var. fasciculatum Lott, Velasco, Pinkava 1966-8-22 2557 Orange 1/2 miles south of Dana Point Comment
  HSC17271  Eriogonum fasciculatum var. foliolosum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23062 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  LA206859  Eriogonum fasciculatum var. foliolosum A. M. Johnson; 1932-4-23 4027 Orange N of Orange Comment
  RSA5381  Eriogonum fasciculatum var. foliolosum B. D. Stark 1932-12-30 4458 Orange Rancho Santa Ana, 1/4 mile W of Roundtop. 457 Comment
  RSA7391  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1933-8-24 5402 Orange Summit of Santiago Peak, Santa Ana Mountains. 1732 Comment
  CLARK-A1528-3648  Eriogonum giganteum John C. Roos, Lucille Roos 1950-9-25 4992 Orange Santa Ana Canyon Comment
  SD255831  Eriogonum giganteum John Roos, Lucille Roos 1950-9-25 4992 Orange Rancho Santa Ana Botanic Garden, Santa Ana Canyon. 136 Comment
  UCSB56685  Eriogonum gracile Roberts, Fred 1982-9-20 Orange Santa Ana Mts; Chiquito Basin, San Juan Trail; 2.2km SW Blue Jay Campground; 3.0km S Los Pinos Peak 905 Comment
  SD133035  Eriogonum parvifolium Andy C. Sander 1990-10-6 10179 Orange newport Bay, Westcliff Park area on the SW end of the bay, ca. 1 km in land of Hwy 1. 0 Comment
  UCR227634  Eriogonum saxatile Robt. L. Allen 2003-6-22 12372 Orange Santa Ana Mountains, Modjeska Peak, southwestern arm, 0.6 air mi southwest of the summit 1512 Comment
  CAS-BOT-BC263017  Eriogonum thurberi Helen D. Geis 1902-1-1 532 Orange Santiago Cr. Comment
  CAS-BOT-BC297325  Eriophyllum confertiflorum R. K. Brummitt; et al. 1998-5-23 19989 Orange Newport Beach, by marina; by harbour entrance 10 Comment
  CAS-BOT-BC297327  Eriophyllum confertiflorum L. M. Booth 1932-5-12 1042 Orange Newport Bay Comment
  CAS-BOT-BC297331  Eriophyllum confertiflorum L. R. Abrams 1901-6-15 1834 Orange Santiago Peak Comment
  POM357962  Eriophyllum confertiflorum Norman C. Cooper 1949-5-1 3935 Orange San Juan Canyon 610 Comment
  RSA850  Eriophyllum confertiflorum J. T. Howell 1927-6-26 211 Orange Claymine Canon near Sierra Peak. [canyon] 244 Comment
  LA203535  Eriophyllum confertiflorum var. confertiflorum A. M. Johnson; 1932-4-23 4019 Orange Orange Comment
  RSA638972  Eriophyllum confertiflorum var. confertiflorum Valerie L. Soza, LeRoy Gross 1999-6-8 495 Orange Santa Ana Mountains: Santiago and Modjeska Canyons, above Tucker Wildlife Sanctuary, above the town of Modjeska 518 Comment
  RSA783824  Eriophyllum confertiflorum var. confertiflorum J. D. Olmsted 1959-5-1 531 Orange Santa Ana Mt. Range: Drainage to Santa Ana River . 100 yards NW of Rattlesnake Rock. 0.5 mi N of Hidden Ranch in Black Star Canyon. 4-5 mi Irvine Lake Reservoir to the west. 732 Comment
  UC421696  Eriophyllum confertiflorum var. confertiflorum John Thomas Howell 1927-6-26 2592 Orange Claymine Canyon n. Santa Ana Mts., Claymine Canyon 243 Comment
  UCR191017  Erodium botrys A. C. Sanders, Fred M. Roberts 2008-4-22 35034 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  RSA12932  Erodium botrys E. R. Johnson 1935-4-8 6322 Orange 1 mile west of Atwood on South side of Railroad. Alt 300ft. Orange County Comment
  RSA696383  Erodium cicutarium Keith E. Hoffmaster 1927-2-12 s.n. Orange Santa Ana. Comment
  UC1286998  Erodium moschatum C. L. Hitchcock 1966-3-15 24138 Orange 0.5 mi e Brea Comment
  UCR188898  Erythrina caffra Robert DeRuff 1985-1 103 Orange Southern Coast, Newport Beach, Upper Newport Back Bay, along the path from Mariners Drive to North Star Beach 30 Comment
  RSA542456  Eschscholzia californica var. peninsularis Fred M. Roberts 1988-2-9 3783 Orange Lomas De Santiago, Loma Ridge, Upper Hicks canyon rim, 0.7 km N Bee Survey Mark. 469 Comment
  CDA21564  Eucalyptus camaldulensis Mark A. Elvin, D. G. Kelch 2006-12-9 5316 Orange Southern Coastal; Irvine; San Diego Creek, edge of San Joaquin Marsh, beside University Drive, between Campus Drive and Highway 73. Comment
  UCR193326  Eucalyptus camaldulensis var. camaldulensis A. C. Sanders, T. B. Salvato 2008-5-13 35370 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  RSA0012821  Eucalyptus polyanthemos A. C. Sanders, Fred M. Roberts 2008-9-18 36079 Orange Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge. 320 Comment
  CDA23092  Eucalyptus utilis Mark A. Elvin, D. G. Kelch 2006-12-9 5305 Orange Southern Coastal; Newport Backbay; Big Canyon, lower end. Comment
  RSA794330  Eucrypta chrysanthemifolia Justin M. Wood 2010-3-31 1447 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  UCR250854  Eucrypta chrysanthemifolia Dick Newell, Don Millar 2014-4-15 361 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Agua Chinon wash at the lower gate next to the 241 toll road 328 Comment
  UCR281551  Eucrypta chrysanthemifolia Mitch Provance, Jeremiah George 2017-3-20 317- 125 Orange West Coyote Hills, Fullerton, west side of Gilbert Street on land previously occupied by oil fields. 138 Comment
  IRVC20502  Euphorbia albomarginata Fred M. Roberts 1983-9-29 1138 Orange San Joaquin Freshwater Marsh, 1.9km NNW UCI campus center, Irvine 2 Comment
  RSA542541  Euphorbia lathyris Fred M. Roberts, William L. Smith 1988-7-30 4126 Orange San Juan Capistrano: Horno creek, Marbella country club, just east of Rancho Viejo road.. 0.8 km NE Mission San Juan Capistrano. 43 Comment
  UCR218461  Euphorbia loricata Robert DeRuff 2008-1 571 Orange South Coast, Upper Newport Bay, north Eastbluff area, bluff c. 200 m from Eastbluff Drive 12 Comment
  RSA697587  Euphorbia maculata J. Vlahos 1933-10-15 s.n. Orange Parking along BentonWay. Santa Ana. Comment
  UCD170887  Euphorbia misera R. E. Riefner Jr. 2013-1-16 13 -16 Orange South Coast, city of Newport Beach, vicinity of Poppy Ave. and Ocean Blvd., coastal bluff at Little Corona Beach. 3 Comment
  RSA731929  Euphorbia peplus Fred M. Roberts, Sandy Leatherman 2007-11-27 6681 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  UCR103162  Euphorbia peplus Scott D. White 1997-3-28 4849 Orange Santa Ana Mountains, Above Modjeska Canyon, proposed water tank site. 488 Comment
  RSA562743  Euphorbia peplus Steve Boyd, T. S. Ross 1992-5-19 7439 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  RSA697594  Euphorbia peplus James Snow 1929-3-28 s.n. Orange SantaAna Gardens Comment
  RSA680738  Euphorbia polycarpa Scott D. White 2003-3-21 8818 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 122 Comment
  RSA697597  Euphorbia polycarpa Anonymous s.n. Orange Orange County park Comment
  UCD142717  Euphorbia polycarpa C. L. Hitchcock 1966-3-15 24140 Orange Stearns Lease, 1.5 miles east of Brea. Comment
  UCR52297  Euphorbia polycarpa B. G. Pitzer, D. C. Hawks 1986-12-17 0381 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, on Santiago Cyn Rd., c. 1.0 mi SW of [Irvine Lake] Santiago Reservoir 305 Comment
  RSA797434  Euphorbia polycarpa Keith E. Hoffmaster 1927-3-13 s.n. Orange Laguna Canyon, Santa Ana Mountains. Comment
  SEINET12142111  Euphorbia polycarpa J. F. Bright, Wyman, C. 1933-1 8091 Orange In Santa Ana Foothills Comment
  RSA0126620  Euphorbia polycarpa var. polycarpa Fred M. Roberts 2012-4-24 7514 Orange San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  RSA70544  Euphorbia spathulata F. W. Peirson 1922-5-18 3060 Orange Santa Ana River. 122 Comment
  RSA723485  Euthamia occidentalis R. E. Riefner 2006-11-12 06 -666 Orange City of Newport Beach, urban creek draining into San Diego Creek at confluence with Newport Bay; San Diego Creek at SR-73 overpass. 6 Comment
  RSA942  Euthamia occidentalis J. T. Howell 1927-10-22 765 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  UCR194561  Festuca A. C. Sanders 2008-4-29 35133 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  UCR267214  Festuca octoflora var. octoflora Fred M. Roberts, Lee Ann Caranza & Eliza Maher 2009-4-7 7145 Orange South Coast Region, DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor 50 Comment
  RSA716499  Ficus carica Fred M. Roberts, Amber Oneal 2004-8-18 6098 Orange San Juan Capistrno: Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  RSA731756  Ficus elastica Fred M. Roberts, Sandy Leatherman 2007-11-9 6649 Orange San Juan Canyon along San Juan Creek, within the community of San Juan Hot Springs. 216 Comment
  CAS-BOT-BC502072  Ficus microcarpa R. E. Riefner, Jr. 2015-8-27 15 -360 Orange City of Newport Beach, Corona del Mar, long Marguerite Ave., S of Fourth Ave. 41 Comment
  CAS-BOT-BC502074  Ficus microcarpa R. E. Riefner, Jr. 2015-8-30 15 -376 Orange City of Anaheim, Pearson Park, near center of park, N of North Helena St. and West Cypress St 45 Comment
  CAS-BOT-BC502096  Ficus microcarpa R. E. Riefner, Jr. 2015-8-30 15 -382 Orange City of Anaheim, Pearson Park, SE section of park, N of N. Helena St, and W. Cypress St., near jct. of N. Lemon St., and W. Cypress St. 44 Comment
  RSA0088634  Ficus microcarpa R. E. Riefner Jr. 2014-11-26 14 -399 Orange City of Irvine, W of Irvine Blvd. and S of Pusan Way, Former MCAS El Toro facility. 138 Comment
  RSA0116289  Ficus microcarpa R. E. Riefner Jr. 2014-7-13 14 -222 Orange City of Irvine, S side of Red Hill Ave. bridge E of 405 Freeway north-bound lane. 31 Comment
  UC2046890  Ficus microcarpa R. E. Riefner Jr. 2015-8-29 15 -368 Orange City of Rancho Santa Margarita, Trabuco Marketplace, Rancho Santa Margarita Blvd. at Plano Trabuco. Comment
  CAS-BOT-BC502065  Ficus rubiginosa R. E. Riefner, Jr. 2011-11-26 11 -161 Orange City of Laguna Beach, E side of Pacific Coast Hwy, N bank of Aliso Creek at Country Club Dr. 11 Comment
  RSA773514  Filago californica Fred M. Roberts 1999-5-3 5204 Orange Lomas de Santiago: ridge between Limestone Canyon and Santiago Canyon Wash, 0.4 km SE Silverado School, and 3.9 km Bolero Lookout 351 Comment
  RSA0104827  Filago californica J. B. Anderson 1966-4-9 526 Orange San Joaquin Hills: On road between Lindoln School-Signal Peak on near level hilltop. 182 Comment
  RSA588652  Filago californica Fred M. Roberts, Carol A. Roberts 1990-5-23 4657 Orange Santa Ana Mts.: West Fork, Upper Long Canyon, Main Divide Truck Trail, 4.3 km SE Los Pinos Peak. 753 Comment
  UCR102018  Filago gallica B. G. Pitzer 1997-3-25 3021 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  RSA542431  Filago gallica Fred M. Roberts, Gordon Marsh, Karlin G. Marsh 1988-4-26 3938 Orange San Joaquin Hills: Pelican Hill, 0.5 kim SE Summit. 165 Comment
  IRVC26714  Fouquieria diguetii Mark A. Elvin, Jenny Liou, Jill Carpenter, Josephine Nguyen 2004-3-8 3155 Orange UCI Arboretum Southern Coastal 15 Comment
Read comments
Aug 18 2009
  CAS-BOT-BC63070  Frangula californica subsp. californica P. C. Everett 1935-6-17 7137 Orange Santa Ana Mts., Coldwater Canyon, 1/2 mi. above Glen Ivy Resort. 457 Comment
  RSA798541  Frangula californica subsp. cuspidata Robert F. Thorne, E. W. Lathrop 1977-5-18 49740 Orange Santa Ana Mountains: summit of Santiago Peak. 1733 Comment
  SD120877  Frangula californica subsp. tomentella Reid Moran 1975-7-18 22600 Orange slope, upper Trabuco Canyon, Santa Ana Mountains 700 Comment
  RSA231136  Frankenia grandifolia Michael Ward 1970-8-22 V- 7 Orange 4 miles South of Seal Beach, NE of PCH amd Bolsa Chica State Park at Bolsa Chica Salt Marsh. 0 Comment
  RSA391402  Frankenia grandifolia E. Yale Dawson 1948-8-15 5108 Orange Bolsas bay Comment
  RSA5241  Frankenia grandifolia Carl B. Wolf 1932-9-13 4029 Orange Bryant Ranch: Triangle of waste ground S of Bryant Ave., & 1/2 mi. west of Los Alamitos Blvd. 8 Comment
  IRVC8591  Frankenia salina Paul Fishman, Hayden R. Williams 1969-9-23 980 Orange Upper Newport Bay: below East Bluff. Southern Coastal 2 Comment
  RSA689536  Frankenia salina R. E. Riefner Jr. 2002-5-4 20 -95 Orange Upper Newport Bay, Jamboree Rd at Bayview Dr. 15 Comment
  UC1494288  Frankenia salina Molly Whalen and Liz Evans 1978-6-2 510 Orange near Bolsa Chica Visitors Center (just off Hwy 1) Comment
  UCR89689  Frasera parryi Don Pendleton 1992-5-16 92- 18 Orange Santa Ana Mtns., Cleveland National Forest, NW of El Cariso, on trails near Falcon Group Camp 823 Comment
  RSA0042150  Fraxinus dipetala Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49687 Orange Northern Santa Ana Mountains: Sierra Peak. [locality information from field label; note on newspaper 'N slope Pleasant's Pk, 1.5 mi. S Beek's Place]. 900 Comment
  UCD170071  Fraxinus dipetala R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49687 Orange Northern Santa Ana Mountains: Sierra Peak. 899 Comment
  SD175837  Fraxinus uhdei D. G. Kelch 2006-12-9 6 535 Orange Along Newport Back Bay Dr. in side canyon. 6 Comment
  RSA659637  Fremontodendron mexicanum T. A. Daubert 1991-5-19 658 Orange Tucker Wildlife Sanctuary, Modjeska Canyon, turn around island. Comment
Read comments
Mar 12 2020
  SEINET10492275  Fuchsia hybrida David B. Dunn 1971-8-13 Dunn 18111 Orange Cultivated plants at costa mesa. Comment
  UCR29938.2  Fumaria parviflora Larry Summers 1983-4-18 s.n. Orange Tustin, Irvine Ranch, Field 120 at the intersection of Bryan and Culver Comment
  POM265787  Fumaria parviflora Vesta Newsom Griffith 1943-3-21 s.n. Orange Near Katella School, 2.5 miles southwest of Anaheim Comment
  RSA539416  Funastrum cynanchoides var. hartwegii Fred M. Roberts, D. Willick 1988-9-16 4133 Orange Peralta Hills: Oak Canyon Nature Center, Upper Walnut Canyon, 1.1 km N Robbers Peak 177 Comment
  CAS-BOT-BC304316  Galinsoga parviflora A. C. Sanders; Fred M. Roberts 2008-5-6 35226 Orange Peninsular Range: Santa Ana Mts: Lomas de Santiago, lower Hicks Canyon, just above tollway (Highway 241) crossing on Irving Haul Rd, near debris basin 216 Comment
  RSA679222  Galium angustifolium Fred M. Roberts 2003-6-25 5949 Orange Santa Ana Mountains: Mojeska Peak in Upper Cold Springs Cyn., north of Main divide Truck Trail, 0.4 km ESE summit. 1471 Comment
Read comments
Jan 12 2007
  RSA700195  Galium angustifolium R. H. McArthur 1934-4-7 s.n. Orange Ladd Canyon. Comment
  SEINET272177  Galium angustifolium G. K. Helmkamp, E. A. Helmkamp 1997-4-24 1655 Orange Cleveland National Forest ; Cleveland National Forest. 1.6 mil. SE of Ortega Hwy (CA-74) on Rd. 7-S14. UTM 10km cell: MH-5E 1N. San Juan Hot Sprin 549 Comment
  UCR228800  Galium angustifolium Dick Newell, Don Millar 2011-5-3 141 Orange Coastal Plains, San Joaquin Hills, Laguna Canyon Wilderness Park, Willow Trail 160 Comment
  UCR97812  Galium angustifolium Scott D. White 1997-3-28 4850 Orange Santa Ana Mountains, Above Modjeska Canyon, proposed water tank site. 488 Comment
  HSC19777  Galium angustifolium subsp. angustifolium J. W. Johnson 1961-3-29 Orange Newport Beach, slope overlooking Upper Newport Bay. Comment
  SD119373  Galium angustifolium subsp. angustifolium Reid Moran 1977-6-13 24232 Orange north slope, Willow Canyon, tributary of Laguna Canyon 124 Comment
  UCR97638  Galium angustifolium subsp. angustifolium George K. Helmkamp, E. A. Helmkamp 1997-4-24 1651 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 1.6 mi. SE of Ortega Hwy (Calif. Hwy 74) on Rd. 7-S14 549 Comment
  SD152756  Galium porrigens var. porrigens Steve Boyd, Tim Ross 1992-5-20 7457 Orange San Mateo Canyon Wilderness Area. Western edge in Lucas Canyon along canyon floor from crossing of Lucas Canyon Trail, upstream Ao mile to spur trail leading to old mining habitations in side canyon 305 Comment
  UC1608262  Galium porrigens var. porrigens Steve Boyd and Tim Ross 1992-5-20 7457 Orange along canyon floor from crossing of old Lucas Canyon trail upstream 1/4 mi to spur trail leading to old mining habitations in side canyon (w edge of wilderness); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 304 Comment
  RSA124724  Garrya flavescens E. K. Balls, P. C. Everett 1957-11-25 22847 Orange 1.1 mile E of Silverado 884 Comment
  IRVC24957  Garrya flavescens var. pallida Fred M. Roberts, Gordon A. Marsh 1986-6-6 2931 Orange Santa Ana Mountains; ridge S of Mabey Canyon, just N of Skyline Dr. near Orange County line; 2.7km SE Sierra Peak. Peninsular Ranges 820 Comment
  CAS-BOT-BC192123  Garrya fremontii A. M. White 1974-6-2 74 -671 Orange 20 mi, E. of Santa Ana. North of Silverado 1005 Comment
  RSA688864  Gastridium phleoides Fred M. Roberts, David E. Bramlet 2003-4-10 5643 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  RSA798187  Gastridium phleoides R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49596 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  UCR209347  Gaura coccinea Fred M. Roberts 2008-4-15 6898 Orange Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, east ridge, Conservation Trail, 1.6 km east-southeast of Rattlesnake Reservoir Dam and 2.6 km west-southwest of Bee Peak, Irvine Ranch Conservancy 183 Comment
  CDA5144  Gaura coccinea Margaret Bellue, Andreas, E. L. Paddock 1943-8-31 Orange 1 mile north of Fullerton, Brea. 0 Comment
  UCR182326  Gaura drummondii E. Johnson 1939-8-3 s.n. Orange South Coast, Brea 122 Comment
  CDA5172  Gaura drummondii Johnson 1939-8-1 1 Orange North Whittier Heights. 0 Comment
  RSA38480  Gaura parviflora E. L. Paddock 1943-6-8 12730 Orange Whittier Road 1/4 mile west of Puente Street, Brea. Comment
  SD43416  Gaura parviflora E. L. Paddock 1943-6-8 12730 Orange Whittier Road, 0.25 mile west of Puente Street; Brea. Comment
  CAS-BOT-BC226941  Genista canariensis Julio Abugarade 2012-4-27 s.n. Orange Color Spot Nurseries, 31101 Ortega Hwy, San Juan Capistrano 98 Comment
  RSA696698  Geranium carolinianum Keith E. Hoffmaster 1935-5-5 s.n. Orange San Juan Canyon., Santa Ana Mts. Comment
  UC1929937  Geranium carolinianum Scott D. White, Brian Leatherman 1997-5-6 5037 Orange SANTA ANA MTNS: Santiago Canyon area. Unnamed tributary to Santiago Ck. flowing from the SW, directly west of Pancho Canyon. Lomas de Santiago S179. El Toro 7.5' Quad. Comment
  UCR191014  Geranium carolinianum A. C. Sanders, Fred M. Roberts 2008-4-22 35031 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  UCR192636  Geranium carolinianum A. C. Sanders, Fred M. Roberts 2008-4-8 34754 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  UCD170654  Geranium incanum R. E. Riefner Jr. 2012-12-5 12- 588 Orange South Coast, city of Dana Point, Dana Point Harbor, Dana Harbor Drive near Cove Road. 9 Comment
  OBI82301  Geranium incanum var. multifidum Unknown 2012-6-16 12 -404 Orange City of Dana Point, Dana Point Harbor Drive at Island Way. 11 Comment
Read comments
Apr 23 2020
  RSA797025  Geranium incanum var. multifidum R. E. Riefner Jr. 2012-6-16 12 -404 Orange City of Dana Point, Dana Point Harbor Drive at Island Way. 11 Comment
  UC2014872  Geranium incanum var. multifidum R. E. Riefner Jr. 2011-7-1 11 -78 Orange City of Laguna Beach, South Crescent Bay, vicinity of Circle Drive and Island Way. Comment
  POM10159  Gilia angelensis P. A. Munz, R. D. Harwood 1920-4-24 3766 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  RSA139631  Gilia angelensis John Ingram 1960-3-29 269 Orange 1/2 mile below O'Neill Park, Trabuco Canyon. Comment
  RSA606304  Gilia angelensis Jon E. Keeley 1994-4-5 25269 Orange First year burn, east end of Casper Park S5 (Keeley, 1994) 390 Comment
  UCR193468  Gilia capitata A. C. Sanders, T. B. Salvato 2008-5-13 35339 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCR98132  Gilia capitata subsp. abrotanifolia George K. Helmkamp, E. A. Helmkamp 1997-4-24 1660 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 1.6 mi. SE of Ortega Hwy (Calif. Hwy 74) on Rd. 7-S14 549 Comment
  RSA470268  Gilia capitata subsp. abrotanifolia Claire Kibbe 1936-07 s.n. Orange Santa Ana Canyon. Comment
  UCR188946  Gilia clivorum Robert DeRuff 1985-3-16 252 Orange Newport Beach, Upper Newport Bay, Eastbluff 31 Comment
  RSA588713  Githopsis diffusa subsp. candida Fred M. Roberts 1990-5-22 4637 Orange Santa Ana Mountains; Upper Hot Springs canyon, just west of Falcon Group Camp, 1.9km ESE Los Pinos Peak. 994 Comment
  RSA39114  Gladiolus italicus E. L. Paddock 1947-4-19 12289 Orange Walnut grove in Santa Ana (north side of Manchester, half way between Flower and Main Streets also on east 17th St., 0.3 mile east of Grand) Comment
  RSA39115  Gladiolus italicus E. L. Paddock 1948-4-19 12289 Orange Walnut groves in Santa Ana (north side of Manchester midway between Flower and Main Sts.; and on east 17th St. one-fourth mile east of Grand. Comment
  RSA736577  Gnaphalium beneolens Keith E. Hoffmaster 1934-4-8 142 Orange Santa Ana Mts. Comment
  POM358935  Gnaphalium californicum E. A. McGregor 1964-6-4 s.n. Orange On Highway 74, between Elsinor and San Juan Capistrano. 914 Comment
  RSA734849  Gnaphalium californicum A. C. Sanders, Mitch Provance 2008-5-20 35411 Orange Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 345 Comment
  POM202609  Gnaphalium chilense L. M. Booth 1932-7-19 1275 Orange Bolsas Marsh. Comment
  UCSB52897  Gnaphalium palustre Roberts, Fred 1983-3-16 Orange Laguna Beach: Sycamore Hills, central ridge, 1.5km NNE jct. El Toro and Laguna Canyon Rds.; 5.5km ESE Signal Peak 175 Comment
  UCR37800  Grindelia camporum Steve Boyd 1981-5-13 s.n. Orange South Coast, Pelican Hill, Irvine Ranch Property, San Joaquin Hills south of Corona del Mar 218 Comment
  IRVC21315  Grindelia camporum var. bracteosa Fred M. Roberts 1982-7-31 790 Orange 0.3km NNW Clemente Survey Mark; 1.2km NNE Civiv Center, San Clemente 220 Comment
  POM4604  Grindelia camporum var. bracteosa D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach Comment
  CAS-BOT-BC305205  Grindelia hirsutula Carl B. Wolf 1936-7-8 8101 Orange Coast Highway, Western end of Newport Bay 9 Comment
  CAS-BOT-BC305207  Grindelia hirsutula Carl B. Wolf 1932-7-2 3810 Orange Olinda. Valencia Ave., opposite Olinda Pilgrim Church 152 Comment
  JEPS57260  Grindelia hirsutula L. R. Heckard and R. C. Bacigalupi 1968-5-8 1836 Orange on terrace back of ocean just n of Doheny Beach Park Dana Point Comment
  UC897086  Grindelia hirsutula Julian A. Steyermark 1933-10-29 Orange San Clemente, Orange Co., on clay soil of coastal mesa. Comment
  LA97587  Gutierrezia californica David S. Verity; 1974-2-20 sn Orange hills behind South Laguna Comment
  SEINET2052347 Image available Gutierrezia californica B. Pitzer, D. Hawks 1986-10-21 346 Orange Lomas de Santiago, ca. 10.0 miles E. of Santa Ana, in hills N and E of South Coast Gun Club on Jeffrey Rd. in Hicks Canyon. 182 Comment
  UCR230841  Gutierrezia californica Dick Newell, Don Millar, Shara Harris 2011-6-21 184 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agua Chinon Wash 207 Comment
  UCR281517  Gutierrezia californica Mitch Provance 2017-6-9 617- 96 Orange Coyote Hills, North Fullerton, East side of Gilbert St., 0.5 miles ENE of intersection with Castlewood Dr. 124 Comment
  UCSB48104  Gutierrezia californica Fritzke, S.; Roberts, Fred 1982-4-3 Orange Santa Ana Mtns.: San Juan Canyon, Calif. 74, 0.9km E San Juan Guard Station 269 Comment
  JEPS18975  Gutierrezia sarothrae John Thomas Howell 1927-9-24 3111 Orange Santa Ana Canyon , Rancho Santa Ana 152 Comment
  UCR80035  Haplopappus squarrosus Scott D. White 1992-10-1 954 Orange City of Brea, immediately north of Carbon Canyon Road & east of Placentia Ave. c. 1 mi (airline) S-SE of Tonner Canyon. 183 Comment
  CLARK-A1528-1906  Haplopappus venetus John C. Roos 1949-10-1 4683 Orange Doheney Beach Comment
  UCR26998  Hedera helix E. W. Lathrop 1966-5-13 6297 Orange Santa Ana Mountains, 5 mi east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest 400 Comment
  SD42290  Hedypnois cretica C. B. Wolf 1938-5-2 9406 Orange Fullerton, Francis Street, 1200 block, east side in vacant lot 60 Comment
  UCR158031  Hedypnois cretica Adrian Wolf 1998-5-15 287 Orange South Coast, Dana Point Headlands, north of Scenic Dr. 67 Comment
  RSA184081  Hedypnois cretica I. L. Wiggins 1966-3-31 20572 Orange Grazed field along south side of Brea Olinda Boulevard, near Carolina Avenue. Comment
  RSA39337  Hedypnois cretica E. L. Paddock 1943-5-29 12743 Orange S of Devdar, 1/4 mile E of Carolina Ave extension, Brea. Comment
  CAS-BOT-BC309484  Helenium puberulum B. Pitzer; T. Tennant 1997-11-8 3363 Orange Crystal Cove State Park, along Moro Canyon Trail, from beginning to a point ca. 1.75 mi. up the canyon 85 Comment
  JEPS35550  Helenium puberulum L. M. Booth 1932-7-9 1285 Orange Bolsas Creek Comment
  UCR103708  Helenium puberulum B. G. Pitzer, T. Tennant 1997-11-8 3363 Orange San Joaquin Hills, Crystal Cove State Park, along Moro Canyon Trail, from beginning to a point c. 1.75 mi. up the canyon. 85 Comment
  RSA725583  Helianthemum scoparium Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6530 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  RSA704934  Helianthus annuus Arthur Davenport 2004-7-6 s.n. Orange Santa Ana River Canyon: Santa Ana River, Featherly Regional Park near La Palma Ave. SE of Horseshoe Bend. 104 Comment
  IRVC775  Helianthus annuus I. L. Wiggins 1966-5-18 20662 Orange along Associated Rd. between Yorba Linda Blvd. and Imperial Hwy; roadside fill. Fullerton Comment
  SD143563  Helianthus ciliaris R. D. Goeden, D. W. Ricker 1965-7-7 Orange Laguna Hills: Veeh Ranch, ca. 1.5 hmiles west of El Toro (San Juan Capistrano). 91 Comment
  IRVC14734  Helianthus gracilentus A. S. Boughey 1968-7-9 401 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges Comment
  IRVC14819  Helianthus gracilentus A. S. Boughey 1968-7-9 401 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges Comment
  RSA5288  Helianthus gracilentus C. B. Wolf 1932-12-19 4446 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive 762 Comment
  RSA7324  Helianthus gracilentus E. R. Johnson 1933-7-6 5167 Orange 1/2 mile south of Mexican houses, Rancho Santa Ana 122 Comment
  UCSB47624  Helianthus gracilentus Roberts, Fred 1980-5-3 Orange Santa Ana Mtns.: Main Divide Truck Trail, 1.0 km SE Blue Jay Campground; 2.8km WSW El Cariso Guard Station 1010 Comment
  RSA749044  Heliotropium curassavicum A. C. Sanders, Fred M. Roberts 2008-8-7 35983 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 185 Comment
  UCSB48091  Heliotropium curassavicum Roberts, Jr., Fred 1981-5-2 Orange Mission Viejo: Camino Capistrano, 1.7km N Crown Valley Parkway 49 Comment
  CSUSB741  Heliotropium curassavicum var. oculatum Dave Cerf 1971-5-2 Orange Orange Park Acres. Windes Road. - 1/2 mile from the end of road (southwest). 243 Comment
  RSA184178  Heliotropium curassavicum var. oculatum I. L. Wiggins 1965-11-6 20349 Orange Near well #14, Kramer Oil Estates, near end of county road to Rancho Santa Ana. Comment
  RSA752718  Heliotropium curassavicum var. oculatum Fred M. Roberts 2009-4-21 7157 Orange Dana Point Headlands: southern cliffs, 0.7 km W Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA581662  Hemizonia australis Tony Bomkamp 1995-06 s.n. Orange Rancho Mission Viejo, floodplain of Canada Gobernadora W of Casper Regional Park. 140 Comment
  POM360277  Hemizonia fasciculata L. C. Wheeler 1932-6-25 861 Orange Newport Bay. 6 Comment
  UCR131870  Hemizonia fasciculata J. Mallory, V. McCoy 1995-7-3 6454- 73 Orange Santa Ana Mountains: N-facing slope in Santiago Canyon, c. 0.5 mi. east of Santiago Canyon Rd; near Irvine Park 200 Comment
  UCR38084  Hemizonia fasciculata G. Sampson 1985-4-23 85 362 Orange Chino Hills State Park, W end of Telegraph Canyon Comment
  POM360305  Hemizonia kelloggii M. B. Dunkle 1938-6-23 5383 Orange San Juan Canyon. Comment
  UCR158461  Hemizonia parryi subsp. australis Adrian Wolf 1998-7-1 418 Orange South Coast, north Newport Oil Fields and East Banning Park; between Huntington Beach, Costa Mesa and Newport Beach, just south of the channelized mouth of the Santa Ana River 6 Comment
  UCR224160  Hesperocnide tenella Fred M. Roberts 2008-3-19 6785 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 60 Comment
  SBBG56425  Hesperocyparis forbesii H. C. Jackson 1936-5-15 Orange Santa Ana Cyn Comment
  UCR174217  Heteromeles arbutifolia A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33060 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  UCR223436  Heteromeles arbutifolia Dick Newell, Don Millar 2011-2-8 056 Orange Peninsular Range; Santa Ana Mtns., Black Star Coal Mine above Fremont Canyon, along Coal Rd. 475 Comment
  RSA0072399  Heteromeles arbutifolia Carl B. Wolf, B. D. Stark 1932-12-19 4430 -A Orange Santa Ana Mts: 1/2 mile from Skyline Drive on firebreak road to Sierra Peak. 762 Comment
  IRVC791  Heterotheca grandiflora C. Thompson 1965-2-28 Orange Corona Del Mar: Corona Highlands Southern Coastal Comment
  SD144039  Heterotheca grandiflora Scott D. White 1996-12-20 4639 Orange Santa Ana Mts., above Modjeska Canyon 424 Comment
  SD39720  Heterotheca grandiflora Edith A. Purer 1932-8-31 4877 Orange Along Highway 101. Comment
  SEINET2052420 Image available Heterotheca grandiflora Cesareo Perez 1971-5-12 Orange Huntington State Beach, Pacific Coast Highway at Brookhurst, Huntington Beach. Comment
  UCSB44177  Heterotheca grandiflora Henneman, J. 1977-5-21 Orange Newport Back Bay 6 Comment
  SEINET10813378  Heterotheca subaxillaris David B. Dunn 1971-8-13 Dunn 18130 Orange Cultivated plants vicinity of Laguna Beach, CA. Comment
  CAS-BOT-BC55401  Hirschfeldia incana Ira L. Wiggins 1965-11-6 20344 Orange Near Well No. 14 on Kraemer Oil Estates, near end of county road leading to Rancho Santa Ana. Comment
  RSA483123  Hirschfeldia incana Josephine Derigo 1941-7-25 s.n. Orange Anaheim. Comment
  CAS-BOT-BC402179  Hoita macrostachya R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49564 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  POM2592  Holodiscus discolor Philip A. Munz 1918-5-4 2218 Orange Laguna Beach. Comment
  POM357588  Holodiscus discolor W. Pequegnat 1940-6-19 s.n. Orange North face of Los Pinos Peak 1159 Comment
  CAS-BOT-BC150006  Holodiscus discolor var. discolor P. C. Everett 1935-6-18 7221 Orange Santa Ana Mts., Summit of Santiago Pk. 1731 Comment
  CAS-BOT-BC280835  Hordeum Ira L. Wiggins 1966-2-12 20432 Orange N. side of La Palma Ave. near Harbor Blvd., Anaheim Comment
  POM205098  Hordeum brachyantherum subsp. californicum H. M. Hall 1902-05 3285 Orange Santa Ana River 183 Comment
  CAS-BOT-BC285000  Hordeum depressum P. A. Munz 1918-5-5 2192 Orange Laguna Beach Comment
  RSA4806  Hordeum depressum James Snow 1932-1 s.n. Orange Bryant Ranch , near Long Beach, Calif. Station #1, Plant 6 Comment
  RSA678515  Hordeum depressum Valerie L. Soza, Kenneth Clark, LeRoy Gross, Will Miller, Fred M. Roberts, Gary D. Wallace 2001-4-4 1132 Orange Seal Beach U. S. Naval Weapons Station, southeastern edge of Seal Beach National Wildlife Refuge. Northern edge of Huntington Harbor. 3 Comment
  RSA542370  Hordeum intercedens Fred M. Roberts 1988-4-12 3927 Orange Irvine: south of the San Diego Freeway, 1.2 km ENE French Hill., UTM 3724500m N, 427200m E 41 Comment
  UCR168466  Hordeum intercedens D. E. Bramlet, Fred M. Roberts 2003-5-8 3433 Orange Donna O'Neill Reserve, S-mid east area of reserve, 91 m west of Cristianitos Rd. and 152 m south of the east - west road, San Clemente 119 Comment
  CDA32412  Hordeum jubatum R. L. Pope 1961-7-18 Orange Santa Ana Freeway. 0 Comment
  UCR192077  Hordeum murinum A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35278 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  UCR217289  Hordeum murinum Mark A. Elvin 2003-3-30 2393 Orange South Coast, north side of UC Irvine Preserve, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  UCR237819  Hordeum murinum Mark A. Elvin 2003-2-2 2284 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  RSA55  Hordeum murinum subsp. leporinum J. T. Howell 1928-3-17 869 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  UCR99555  Hordeum murinum subsp. leporinum B. G. Pitzer 1996-4-30 2799 A Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  UCR48545  Hordeum vulgare Jack Easton 1987-4-21 s.n. Orange Southern Coast, Kain property, San Clemente, mouth of Trafalgar Canyon, just behind the beach 30 Comment
  RSA737485  Horkelia cuneata subsp. puberula D. E. Bramlet 2008-4-28 4250 Orange East fork of Upper Weir Cyn., on the S. side of the existing access road. The site is 1.6km east of the main cyn. and 183m west of the Upper boundary of Gypsum Cyn. 406 Comment
  UC582823  Horkelia cuneata subsp. puberula Philip A. Munz 1936-4-20 14606 Orange Laguna Beach Mt. Olympus 152 Comment
  CAS-BOT-BC537314  Horkelia cuneata var. puberula Philip A. Munz 1936-4-20 14606 Orange Mt. Olympus, Laguna Beach 152 Comment
  UCR186590  Hydrocotyle ranunculoides Robert DeRuff 1996-5-6 493 Orange Southern Coast, Newport Beach, Newport Back Bay, streambed at 23rd St. 3 Comment
  CAS-BOT-BC312647  Hymenothrix loomisii 1943-12-1 s.n. Orange Costa Mesa Comment
  RSA685932  Hypochaeris glabra Fred M. Roberts, David E. Bramlet 2003-3-27 5615 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, western slopes of Chistianitos Canyon, 0.8km N Sycamore Gate 0.15km W Cristianitos Road; (San Clemente). 139 Comment
  SD113017  Hypochaeris glabra Darley F. Howe 1979-4-29 5085 Orange Newport Area. Comment
  IRVC26523  Hypochaeris radicata Mark A. Elvin 2004-2-22 3148 Orange UCI Arboretum Southern Coastal 15 Comment
  UCR246472  Ipomoea purpurea R. E. Riefner Jr. 2012-9-7 12-504 Orange South Coast, city of Dana Point, Dana Point Harbor Drive, vicinity of Island Way 19 Comment
  RSA783567  Isocoma J. D. Olmsted 1959-5-1 519 Orange 500 yards west of Oat Flat past Johnson's dam; 9 mi. SW of Corona. 793 Comment
  UCR151115  Isocoma menziesii Scott D. White 1998-10-15 7184 Orange Santa Ana Mtns foothills, Yorba Linda, c. 0.5 mi south of Telegraph Canyon between Ohio St. and Fairmont 305 Comment
  IRVC24537  Isocoma menziesii var. vernonioides J. Johnson 1976-8-10 Orange Newport [Back] Bay. Newport Beach Comment
  RSA680324  Isocoma menziesii var. vernonioides Scott D. White, Jeff Lincer 2003-7-7 9615 Orange Former El Toro Marine Corps Air Stn. East of 'El Toro Marine Sch.' and Irvine Blvd.; site of former dump. 140 Comment
  RSA890  Isocoma menziesii var. vernonioides J. T. Howell 1927-10-29 785 Orange Bryant Ranch near Long Beach. 15 Comment
  SBBG62842  Isocoma menziesii var. vernonioides M. N. Ackley -Sep-1928 428 Orange Sunset Beach 8 Comment
  RSA757058  Isolepis cernua O. F. Clarke, Roger E. Reinke 2004-11-14 s.n. Orange Newport Back Bay 3 Comment
  RSA93  Isolepis cernua J. T. Howell 1927-7-6 277 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  IRVC308  Isomeris arborea J. Schram 1965-4-30 Orange Corona del Mar, Corona Highlands gully. Newport Beach Comment
  IRVC312  Isomeris arborea Aldis 1965-3-27 Orange Irvine [Regional] Park Comment
  IRVC9273  Isomeris arborea B. T. Gittins 1963-3-3 9 Orange [Lower] Newport Bay, sandy bluff at entrance to Balboa Island Newport Beach Comment
  UC1543008  Isomeris arborea Donald G. Nelson 1935-4-14 293 Orange Newport Beach; along main coast highway, edge of mesa facing Newport Bay and the ocean Comment
  RSA362297  Iva axillaris subsp. robustior R. Ahlefed, R. Pope 1966-5-12 s.n. Orange Lomas de Santiago: Irvine Ranch. Comment
  RSA234472  Jaumea carnosa James Henrickson 1970-7-25 5040 Orange 2.5 miles NE of Huntington beach, 1 mile SE of Warner Ave. on sandy slope of E. Pacific Coast Hwy. at border of Bolsa Chica Salt Marsh. 0 Comment
  RSA703682  Jepsonia parryi Fred M. Roberts, D. E. Bramlet 2004-11-5 6127 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, west slopes of Cristianitos Cyn., 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road. 146 Comment
  RSA797478  Jepsonia parryi R. F. Thorne 1977-11-21 49991 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  RSA84405  Jepsonia parryi F. W. Peirson 1919-11-8 1941 Orange South of Arch Beach, near Laguna Beach Comment
  UCR24414  Jepsonia parryi John C. Roos 1936-10-9 2301 Orange Santa Ana Canyon Comment
  UC112094  Juglans E. B. Babcock 1907-9-9 Orange on ranch of E.S. Ware 1 mi n Garden Grove Comment
  UC112095  Juglans E. B. Babcock 1907-9-9 Orange on ranch of E.S. Ware 1 mi n Garden Grove Comment
  RSA226639  Juglans californica Christopher Davidson, B. Benny 1971-6-15 1555 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring. Comment
  SD70810  Juglans californica var. californica Lucille Kempers 1955-3-19 252 Orange Flying Cow Ranch in Carbon Canyon 259 Comment
  SD236315  Juglans nigra A. C. Sanders, Fred M. Roberts 2008-6-17 35477 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 259 Comment
  UCR216056  Juglans regia R. E. Riefner Jr. 2009-7-18 09- 149 Orange Trabuco Canyon, Trabuco Canyon Rd. c. 1.25 mi. NW of O'Neil Regional Park 332 Comment
  RSA0022439  Juglans regia Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49798 Orange Santa Ana Mountains: Trabuco Canyon, below Yaeger Mesa Comment
  RSA542517  Juncus acutus subsp. leopoldii Fred M. Roberts, W. Ferren 1987-4-8 3358 Orange Upper Newport Beach Back Bay, west side, North Star Beach, 0.8 km N Coney Island. 0 Comment
  RSA562612  Juncus patens Steve Boyd, Fred M. Roberts 1992-10-14 7714 Orange Northern Santa Ana Mountains, vicinity of Oak Flats (aka Oat Flats) northeast of the junction of Main Divide Road and Skyline Road, just west of Riverside County line 800 Comment
  UCR132983  Juncus patens Adrian Wolf 2000-7-13 455 Orange Santa Ana Mtns., 0.4 km SE of Black Star Canyon mouth 290 Comment
  RSA50308  Juncus phaeocephalus E. K. Balls 1949-5-9 13467 Orange [Rancho Santa Ana] Botanic Garden, Santa Ana River Canyon. 198 Comment
  RSA749054  Juncus textilis A. C. Sanders, Fred M. Roberts 2008-8-7 35994 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 185 Comment
  UCR153474  Juncus textilis R. E. Riefner Jr., A. Wolf 2000-1-24 20- 108 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Fremont Canyon, north of Santiago Creek and immediately south of major stream fork 305 Comment
  UCR18360  Juncus textilis O. F. Clarke, Ileana Leil, Robert Lumley (park foreman) 1977-11-12 s.n. Orange Brea-Olinda Regional Wilderness Park, south of Brea. Small, moist canyon near the center of the park Comment
  RSA542335  Juncus xiphioides Fred M. Roberts, K. Keane 1988-5-25 3985 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Mark. 82 Comment
  UCR193843  Juncus xiphioides A. C. Sanders, Fred M. Roberts 2008-7-16 35857 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hangmans Tree Canyon 395 Comment
  RSA21231  Juniperus californica E. R. Johnson 1937-3-28 8502 Orange 4 9/10 mi. E. of San Juan Capistrano on No. side of Ortega Highway. Comment
  UC632463  Juniperus californica R. C. Dickson 1939-9-10 Orange five mi e San Juan Capistrano Comment
  SEINET10932780  Juniperus chinensis Charlene A. Bennett 1976-7-21 Bennett 438 Orange Cultivated plants collected in and around the condominium-Pacific Island Estates in Laguna Hills; some native shrubs, etc. 152 Comment
  UCR234140  Keckiella antirrhinoides Dick Newell, Judy Booth 2012-4-6 244 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road at Mountain View Trail, Cleveland National Forest 610 Comment
  CAS-BOT-BC235532  Keckiella antirrhinoides var. antirrhinoides A. J. Perkins 1909-6-1 s.n. Orange Orange County Park Comment
  NY786527  Keckiella antirrhinoides var. antirrhinoides F. R. Fosberg S 5082 Orange Lower Santiago Can. Comment
  CAS-BOT-BC235722  Keckiella cordifolia E. K. Balls 1958-6-27 23283 Orange 5 mi. se. from Silverado (Gate) Silverado Canyon, Santa Ana Mts. 1097 Comment
  SD152747  Keckiella cordifolia Steve Boyd, Tim Ross 1992-5-19 7416 Orange San Mateo Canyon Wilderness, western edge along Lucas Canyon Trail, from access road to Rancho Carillo (7S06) north into Aliso Canyon 366 Comment
  SEINET7067517  Keckiella cordifolia A. G. Vestal 1947-6-12 s.n. Orange San Juan Canyon. Coordinate datum: NAD27. UTM Zone 11, 448887mE, 3712881mN. Comment
  UC729869  Keckiella cordifolia Carl B. Wolf 1932-7-2 Orange .12 mi below La Vida Springs; Carbon Canyon 213 Comment
  UCR228799  Keckiella cordifolia Dick Newell, Don Millar 2011-5-3 140 Orange Coastal Plains, San Joaquin Hills, Laguna Canyon Wilderness Park, Willow Trail 160 Comment
  UCR150570  Kickxia elatine Scott D. White, Matt Carlton 2003-11-20 9866 Orange South Coastal Plain, Santa Ana Mtn foothills. San Juan Creek in San Juan Capistrano 24 Comment
  UCR242116  Koeleria macrantha D. E. Bramlet 1983-5-14 1373 Orange Peninsular Range, Santa Ana Mountains, Chiquito Basin 884 Comment
  SD235021  Koelreuteria bipinnata R. E. Jr. Riefner 2006-11-14 06 673 Orange South Coast: Irvine, along San Diego Creek at Campus Ave. 3 Comment
  RSA725536  Lactuca serriola Fred M. Roberts, Robert L. Allen 2007-9-28 6610 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  CAS-BOT-BC516763  Lagunaria patersonia R. E. Riefner, Jr. 2011-6-29 11 -76 Orange City of Laguna Beach, general area of Shaw's Cove, vicinity of Cliff Dr. and Fairview St. 1 Comment
  CAS-BOT-BC272426  Lamarckia aurea Ira L. Wiggins 1966-3-5 20516 Orange In fallow field about 1/2 mi. W. of El Toro Post Office, along Highway S-18 Comment
  JEPS71239  Lamarckia aurea L. M. Booth 1932-5-12 1022 Orange Newport Bay Comment
  RSA687519  Lamarckia aurea Fred M. Roberts, David E. Bramlet 2003-4-10 5650 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, ridge between Cristianitos Cyn. and Segunda Deshecha Canada, 1.54km W Gato Gate and 1.59km NW Edison substation. 262 Comment
  UC1090437  Lamarckia aurea Milo S. Baker 1958-5-20 13297 Orange Santa Ana Mountains Comment
  UCD63411  Lamarckia aurea F. M. Reed 1925-4-15 6325 Orange Santa Ana Canon, near Canal Bridge. Comment
  UCSB47627  Lamarckia aurea Roberts, Fred 1980-4-3 Orange Hills, 1.5 km. ENE Dana Hills High School, Dana Point 85 Comment
  UCR186589  Lantana camara Robert DeRuff 1995-4-16 482 Orange Southern Coast, Newport Beach, Newport Back Bay, Northstar Beach 6 Comment
  IRVC532  Lasthenia coronaria R. Harbour 1965-4-4 Orange Irvine Coast Country Club. Crystal Cove State Park Comment
  UC718548  Lasthenia glabrata subsp. coulteri Carl B. Wolf 1935-3-24 6295 Orange Comment
  RSA0127420  Lasthenia gracilis Fred M. Roberts 2016-3-17 8015 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  SFV16517  Lathyrus hirsutus S. Mason, P. Rector 1993-4-16 s. n. Orange Santa Ana Mountains CA State Highway 74 at Lower San Juan Campground. Adjacent to campground sign on southeast side of road. 396 Comment
  SEINET5327270  Lathyrus laetiflorus R. Nelson, Baumann; Kondratieff; Sargent 1988-1-12 5117 Orange San Juan Creek at Lower San Juan Campgroud, Cleveland National Forest. 366 Comment
  SEINET956187  Lathyrus strictus P. C. Everett 1935-1 6292 Orange Santa Ana Mts. Baker Canyon, West Ladd Truck Trail. 1000 Comment
  RSA785201  Lathyrus vestitus Dick Newell, Don Millar 2010-4-20 016 Orange top of Serrano Ridge, 1 km west of the Nix Center/Laguna Canyon Rd. 229 Comment
  UCR193068  Lathyrus vestitus A. C. Sanders, T. B. Salvato 2008-5-13 35334 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  IRVC11716  Lathyrus vestitus subsp. laetiflorus B. T. Gittins 1963-4-18 171-D Orange Silverado Canyon. Santa Ana Mountains Comment
  RSA405709  Lathyrus vestitus subsp. laetiflorus E. Crow 1929-2-22 164 Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  IRVC14906  Lathyrus vestitus subsp. laetiflorus D. Ibbetson 1965-4-19 Orange Newport Beach. Southern Coastal Comment
  UCR209357  Lathyrus vestitus subsp. vestitus Fred M. Roberts 2008-4-8 6850 Orange Lomas de Santiago, Loma Ridge, Upper Dripping Springs Cnyn, 1.0 km northeast of Bee Peak, Irvine Ranch Conservancy 458 Comment
  UCSB57541  Lathyrus vestitus var. vestitus Mulroy, T. 1973-5-21 Orange Hwy. 74 ca. 1 mi. E of bridge across San Juan Creek Comment
  UCR141338  Laurus nobilis Robert DeRuff 1990-3-31 391 Orange Southern Coast, Newport Beach, Newport Back Bay, East Bluff 9 Comment
  IRVC22071  Layia platyglossa Fred M. Roberts, D. A. Roberts 1983-3-22 934 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  RSA17019  Layia platyglossa subsp. campestris Percy C. Everett 1935-4-15 6462 Orange 8/10 mile E of Atwood on S side of Santa Fe RR. 107 Comment
  RSA724037  Leersia oryzoides R. E. Riefner 2004-9-18 4 -425 Orange City of Yorba Linda; Santa Ana River, Horseshoe Bend, near La Palma Rd. and Via Del Rio Rd. 105 Comment
  RSA714001  Lemna minuta R. E. Riefner 2005-10-27 5 -303 Orange City of Irvine; along Jeffrey Rd. N of Barranca Rd. near Irvine Valley College. 47 Comment
  IRVC16187  Lepechinia cardiophylla Gordon A. Marsh, Karlin G. Marsh 1978-5-13 s.n. Orange Santa Ana Mtns: Claymine Canyon; road to Coal Canyon Peninsular Ranges 433 Comment
  IRVC24954  Lepechinia cardiophylla Fred M. Roberts, Gordon A. Marsh 1986-6-6 2933 Orange Santa Ana Mountains; ridge S of Mabey Canyon, just N of Skyline Dr. near Orange County line; 2.7km SE Sierra Peak. Peninsular Ranges 820 Comment
Read comments
Feb 22 2017
  RSA171015  Lepechinia cardiophylla Robert F. Thorne 1963-7-26 32853 Orange Tin Mine Canyon above Beek s Spring, Trabuco District, Cleveland National Forest. 732 Comment
  SD152820  Lepechinia cardiophylla Steve Boyd, Kyle Boyd 1992-7-9 7653 Orange Northern Santa Ana Mountains, 3.5 miles south of junction of Main Divide and Skyline Roads. Comment
  UC909677  Lepechinia cardiophylla John Thomas Howell 1927-6-26 2606 Orange n Santa Ana Mountains, Claymine Canyon Claymine Canyon; Santa Ana Mountains, Claymine Canyon 609 Comment
  UCR203897  Lepechinia cardiophylla R. E. Riefner Jr. 2008-3-21 08- 59 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, west Fremont Canyon, Windy Ridge south to west fork canyon 463 Comment
  UCR99557  Lepidium lasiocarpum B. G. Pitzer 1996-4-30 2810 Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  IRVC1099  Lepidium lasiocarpum G. Olander 1965-4-3 Orange Corona del Mar, Begonia and 2nd Ave. Newport Beach Comment
  RSA697452  Lepidium lasiocarpum Snow 1929-2-20 15 Orange Roadside-Dana Pt. Comment
  IRVC29818  Lepidium latifolium Mary H. White, Mark A. Elvin 2006-9-23 92306 4 Orange San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; SW edge, along San Diego Creek, N of University Drive, E Hwy 73. Southern Coastal 2 Comment
  UCR266422  Lepidium latifolium D. E. Bramlet 2009-11-27 4427 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  RSA429634  Lepidium nitidum Jeannette B. Edge 1934-2-10 18851 Orange Corona Del Mar 30 Comment
  SD27942  Lepidium nitidum Carl B. Wolf 1932-2-15 2657 Orange Rancho Santa Ana Botanic Garden, above the Rubus beds 185 Comment
  SD27974  Lepidium nitidum Carl B. Wolf 1932-3-8 2683 Orange 1/2 mile north of Corona Del Mar, Borders of Newport Bay 7 Comment
  RSA0116223  Lepidium strictum Fred M. Roberts, Tony Bomkamp, R. E. Riefner 1996-4-19 4963 Orange Costa Mesa; Fairview Park, 0.1km W Canyon School 24 Comment
  JEPS53765  Lepidium virginicum Alice King 1908-3-9 Orange Anaheim Plain Comment
  RSA773551  Lepidium virginicum var. robinsonii Fred M. Roberts 2008-6-5 7033 Orange Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.2 km ENE Rattlesnake Reserovir spillway and 2.3 km WNW Bee Peak 202 Comment
  RSA899  Lepidospartum squamatum J. T. Howell 1927-7-28 505 Orange West side, Rancho Santa Ana. 152 Comment
  SD127550  Lepidospartum squamatum Reid Moran 1975-11-21 22741 Orange Bottom of lower Trabuco Canyon, Santa Ana Mts. Comment
  HSC79611  Leptochloa fusca subsp. uninervia James Henrickson 1972-10-21 8059 Orange Eastern Anaheim, 2 blocks E. of Imperial Hwy. along La Palma Ave., just N of Santa Ana River. 61 Comment
  RSA710596  Leptochloa fusca subsp. uninervia Mark Elvin 2004-5-2 3420 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7 km (air) NNW of UC Irvine Campus center. 3 Comment
  RSA759202  Leptosiphon ciliatus Robt. Allen, Reginald Durant 2008-5-16 s.n. Orange Maple Springs Saddle. Inside region of 180 degree bend in road. On N-facing slope 1382 Comment
  RSA587876  Leptosiphon liniflorus Fred M. Roberts 1990-5-9 4625 Orange Rancho Mission Viejo; Christianitos Canyon, TRW Lease Holding, 4.3 km NE Clemente Survey Marker. 91 Comment
  SD28081  Leptosiphon liniflorus Carl B. Wolf 1932-5-19 3637 Orange Rancho Santa Ana Botanic Garden, west of the tennis court. 198 Comment
  OBI82197  Lessingia filaginifolia Andrew C. Sanders, Fred M. Roberts 2008-8-7 35970 Orange Peninsular Range; Santa Ana Mtns.: lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate (Orange/Black Star Cyn. 7.5' Qs.) 185 Comment
  UCR102031  Lessingia filaginifolia B. G. Pitzer 1997-3-25 3009 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  UCR193850  Lessingia filaginifolia A. C. Sanders, Fred M. Roberts 2008-7-16 35825 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, along road in lower Limestone Canyon, near junction with Harding Truck Trail 290 Comment
  RSA739779  Leymus condensatus A. C. Sanders, Fred M. Roberts 2008-7-3 35666 Orange Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 365 Comment
  JEPS71200  Leymus triticoides L. M. Booth 1932-6-7 1156 Orange Newport Bay Comment
  CAS-BOT-BC130580  Lilium humboldtii John Thomas Howell 1927-7-3 2645 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 304 Comment
  RSA698086  Lilium humboldtii J. Vlahos 1934-03 s.n. Orange Black Star Canyon. Comment
  UCSB48192  Lilium humboldtii Roberts, Fred 1981-6-26 Orange Santa Ana Mtns 329 Comment
  RSA377146  Lilium humboldtii subsp. ocellatum Albert J. Perkins 1923-6-24 s.n. Orange Silverado Canyon Comment
  UCR237813  Lilium humboldtii subsp. ocellatum Dick Newell, Judy Booth 2012-7-8 280 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, on Maple Springs Road 2.25 mi. NE of Maple Springs gate 915 Comment
  RSA0056339  Limonium californicum James R. Shevock 1972-9-27 2284 Orange Newport back bay. 3 Comment
  UC1789094  Limonium duriusculum R. E. Riefner Jr. 2005-9-9 05 -664 Orange City of Lake Forest, along Aliso Creek near Portola Pkwy, at El Toro Road. 225 Comment
Read comments
Jul 5 2010
  UC1873116  Limonium duriusculum R. E. Riefner Jr. 2005-10-5 05 -707 Orange City of Irvine, near Bonita Creek, along La Salud St. near Milano Dr. 9 Comment
  UCR129919  Limonium ramosissimum R. E. Riefner Jr. 2002-5-2 20- 92 Orange Upper Newport Bay, Jamboree Rd. at Bayview Dr., edge of Newport Beach Q. 21 Comment
  UCR200663  Limonium ramosissimum Daniel Sanchez-Mata 2006-7-1 s.n. Orange Laguna Niguel, Dana Point Highlands, Crown Valley Parkway at Pacific Island Drive 70 Comment
  RSA769619  Linanthus E. W. Lathrop 1974-6-27 7420 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  SEINET6045534  Linanthus E. W. Lathrop 1974-6-27 7420 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon. Cleveland National Forest. Comment
  UCSB47635  Linanthus californicus Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail, on north side of road, 0.3km SE Trabuco Peak, Santa Ana Mtns. 1340 Comment
Read comments
Jan 23 2015
  SEINET12279065  Linanthus demissus J. F. Bright, Wyman, C. 1933-1 8200 Orange in valley near Del Toro Comment
  SBBG98236  Linanthus dianthiflorus C. B. Wolf 1932-3-8 2675 Orange 0.5 mi N of Corona del Mar, borders of Newport Bay 7 Comment
  UCR191778  Linanthus dianthiflorus A. C. Sanders, Fred M. Roberts 2008-3-25 34570 Orange Peninsular Range; Santa Ana Mtns., saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake 405 Comment
  UCR191782  Linanthus dianthiflorus A. C. Sanders, Fred M. Roberts 2008-3-25 34559 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  POM36578  Linanthus dianthiflorus subsp. dianthiflorus M. B. Dunkle 1935-2-23 4338 Orange Dana Point. 15 Comment
  RSA3188  Linanthus dianthiflorus subsp. dianthiflorus C. B. Wolf 1932-3-8 2675 Orange 1/2 mile N of Corona del Mar, Newport Bay. 8 Comment
  RSA73085  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1923-3-25 3369 Orange Aliso Creek, near Laguna Beach. Comment
  POM364621  Linanthus dichotomus subsp. dichotomus M. B. Dunkle 1935-2-10 4331 Orange El Toro. 152 Comment
  UCR128169  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-29 9424 Orange Santa Ana Mtn foothills, Rancho Mission Viejo. Hills above Canada Gobernadora on west side of canyon, c. 1 air mile north of Ortega Hwy. 152 Comment
  UCR37803  Linanthus liniflorus Steve Boyd, L. F. LaPre 1981-5-27 s.n. Orange Santa Ana Mtns., Northern end of the Santa Ana Mtns., along powerline road on ridges east of Weir Canyon & at the head of Gypsum Canyon. Comment
  UC718484  Linanthus parviflorus C. B. Wolf 1935-4-7 Orange San Juan Hot Springs Santa Ana Mts., Mouth of San Juan Hot Springs Canyon 213 Comment
  RSA685161  Lippia nodiflora Scott D. White, Michael Honer 2003-7-10 9626 Orange Hills above Trampas Canyon, just south of Ortega Hwy. 91 Comment
  UCR140881  Lippia nodiflora var. rosea Robert DeRuff 1983-7-23 293 Orange Southern Coast, Newport Beach, Newport Back Bay, Big Canyon where Back Bay Drive crosses the small stream 8 Comment
  RSA162696  Lithophragma affine subsp. mixtum J. D. Olmsted 1959-4-23 461 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 Comment
  UCR193805  Lobelia dunnii var. serrata A. C. Sanders, Fred M. Roberts 2008-7-16 35837 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  HSC6864  Lobularia maritima J. W. Johnson 1961-3-29 Orange Newport Beach, slope overlooking Upper Newport Bay. Comment
  CSUSB1414  Lobularia maritima John S. Davis 1972-4-1 72-04-01 1 Orange Newport Beach Newport Beach, corner of San Jaquin Hills Road and Back Bay Road on southwest slope. 3 Comment
  UC729941  Lolium perenne Carl B. Wolf 1932-6-13 3728 Orange Fullerton; Malvern and Nicholas Avenues 53 Comment
  UCR2522  Lolium perenne F. M. Reed 1927-9-19 5472 Orange Near Peralta Heights 91 Comment
  RSA0011625  Lolium perenne subsp. multiflorum Rankin s.n. Orange Santa Ana. Comment
  SEINET192611 Image available Lolium temulentum E. R. Johnson 1932-5-18 Orange Rancho Santa Ana Botanic Garden; edge of grain field bordering the Rancho Comment
  POM265762  Lolium temulentum J. C. Roos 1937-5-21 2068 Orange Lemon Heights Comment
  RSA0011623  Lolium temulentum Rankin s.n. Orange Costa Mesa. Comment
  SD152968  Lomatium lucidum Steve Boyd, Tim Ross 1992-5-20 7476 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old rodgrade to upper homestead. 349 Comment
  RSA530  Lomatium vaginatum J. T. Howell 1927-6-3 22 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA716657  Lonicera japonica Fred M. Roberts 2005-5-13 6185 Orange San Juan Capistrano; Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  UCR174025  Lonicera subspicata A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33052 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  UCR228771  Lonicera subspicata Dick Newell, Don Millar 2011-7-19 212 Orange Peninsular Range; Santa Ana Mtns., foothills above Black Star Canyon Rd. (SCE access road), 3.15 mi. ENE (83 deg. ) of Irvine Lake dam 494 Comment
  POM50583  Lonicera subspicata var. denudata Helen D. Geis 1900-1 518 Orange Hills back of Santa Ana. Comment
Read comments
Aug 8 2010
  RSA5268  Lonicera subspicata var. denudata C. B. Wolf 1932-12-19 4434 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive 762 Comment
  UCSB47997  Lonicera subspicata var. denudata Roberts, Jr., Fred 1980-7-7 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 2.4 km. ENE San Juan Guard Station; 0.3 km. W bench mark 1100 345 Comment
  RSA450859  Lotus argophyllus Gordon Marsh, K. G. Marsh 1977-11-21 s.n. Orange Santa Ana Mts.: N side of Ortega Hwy, near Hwy marker #31, near O.C. Surveyor Bench Mark #3W-24-72. Comment
  UC1719510  Lotus hamatus D. Atwood 1993-3-27 17693 Orange Corona del Mar State Park along Newport Coast Drive 0 Comment
  RSA599637  Lotus heermannii Fred M. Roberts, Paul Barrett, Gail Bastillos 1995-7-25 4966 Orange San Juan Capistrano: San Juan Creek, 1.0 km SW La Novia Street bridge. 27 Comment
  RSA734853  Lotus heermannii A. C. Sanders, Mitch Provance 2008-5-20 35418 Orange Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 345 Comment
  RSA0011213  Lotus heermannii Eileen McCollum 1932-4-23 s.n. Orange Hill near Robbers Peak. Comment
  IRVC15130  Lotus heermannii var. heermannii A. S. Boughey 1968-7-9 383 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges Comment
  RSA662072  Lotus purshianus J. C. Roos 1965-6-16 s.n. Orange Dana Point near Doheney Beach. Comment
  RSA0038266  Lotus purshianus J. C. Roos 1981-09 s.n. Orange Dana Point near Doheney Beach. Comment
  RSA0036646  Lotus salsuginosus var. salsuginosus Robt. Allen, Richard Newell 2009-7-11 s.n. Orange Peninsular Ranges; Santa Ana Mountains regions: Upper Santiago Canyon, just past community of Modjeska Canyon, Fleming Ranch, East end of Modjeska Canyon Road. 621 Comment
  HSC1876  Lotus scoparius J. W. Johnson 1961-2-19 Orange Newport Beach, above upper Newport Bay Comment
  POM183955  Lotus scoparius P. A. Munz 1932-3-29 12187 Orange Costa Mesa Comment
  UCR131881  Lotus scoparius J. Mallory, V. McCoy 1995-7-3 6454- 124 Orange Santa Ana Mountains: Blind Canyon, c. 0.5 mi. NE of confluence w/ Santiago Canyon Wash; north of Irvine Lake. 300 Comment
  IRVC2240  Lotus scoparius subsp. scoparius J. Morgan 1965-4-4 Orange Laguna Canyon. Laguna Beach Comment
  RSA621861  Lotus scoparius var. scoparius R. S. Woglum 1932-4-16 s.n. Orange Trabuco Canyon, Santa Ana Mountains, Cleveland National Forest Comment
  SEINET10890813  Lotus scoparius var. scoparius Greg Gust, Leith Nye 2005-3-12 Gust 564 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  RSA390  Lotus strigosus J. T. Howell 1928-4-7 899 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA406317  Lotus strigosus M. B. Dunkle 1935-3-3 4349 Orange San Juan Canyon. 457 Comment
  UCR190969  Lotus strigosus A. C. Sanders, Fred M. Roberts 2008-4-22 35053 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge c. 1/4 mi. SE of VABM Bee, above Bee Canyon landfill on road from Hicks Canyon Haul Rd. to Limestone Canyon, c. 3.5 miles WSW of Silverado 493 Comment
  UCR193849  Lotus strigosus A. C. Sanders, Fred M. Roberts 2008-7-16 35879 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  IRVC2221  Lotus strigosus var. strigosus A. S. Boughey 147 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA562727  Lotus unifoliolatus Steve Boyd, T. S. Ross 1992-5-20 7463 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon along canyon floor from crossing Lucas Canyon Trail, upstream 1/4 mile to spur trail leading to old mining habitations in side canyon. 305 Comment
  UCR266379  Ludwigia D. E. Bramlet 2009-11-20 4426 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  UCR179763  Ludwigia repens R. E. Riefner Jr. 2006-10-8 06- 483 Orange South Coast, Irvine, San Diego Creek near 405 Freeway, between 405 and Laguna Road 51 Comment
  RSA0036357  Lupinus albifrons Andrew Wheeler 2009-5-12 s.n. Orange Long Canyon Road, between Blue Jay Campground and Convict Camp, 4 miles west of Lake Elsinore. Comment
  RSA732083  Lupinus bicolor A. C. Sanders, Fred M. Roberts 2008-3-25 34552 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  SEINET7062957 Image available Lupinus bicolor A. G. Vestal 1947-6-12 s.n. Orange About 0.2 mile west of Quail Valley at Menifee Corner and about 6.8 miles east of Lake Elsinore. UTM Zone 11, 476547mE, 3729356mN. (WGS84/NAD83). 491 Comment
  UCR193295  Lupinus bicolor A. C. Sanders, T. B. Salvato 2008-5-13 35340 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCR97639  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-4-24 1654 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 1.6 mi. SE of Ortega Hwy (Calif. Hwy 74) on Rd. 7-S14 549 Comment
  SEINET6932637 Image available Lupinus bicolor W. P. Vestal, A. G. Vestal 1955-3-24 3456 Orange Trabuco Canyon, ca. 5 miles eat of El Toro. Comment
  IRVC2290  Lupinus bicolor subsp. marginatus C. Weir 1965-5-9 HS 0424 Orange Newport Beach, [Newport] Back Bay. Southern Coastal Comment
  RSA542580  Lupinus bicolor subsp. microphyllus Fred M. Roberts 1988-3-15 3849 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  SEINET10484966  Lupinus bicolor subsp. umbellatus Beauchamp 1972-3-24 BEAUCHAMP 3238 Orange On dry slopes at thirst, san clemente island. 600 Comment
  RSA543961  Lupinus concinnus subsp. concinnus Steve D. Boyd 1991-5-9 6192 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  RSA699738  Lupinus densiflorus Keith E. Hoffmaster 1935-4-19 s.n. Orange Santa Ana Mts. (Trabuco Rd.) Comment
  RSA442342  Lupinus densiflorus var. lacteus Agnes Lee Freeman 1942-4-24 s.n. Orange Santa Ana Rancho. Comment
Read comments
Feb 16 2013
  CAS-BOT-BC216675  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-27 2952 Orange 0.75 miles W of Atwood, Just S of Santa Fe RR 91 Comment
  CAS-BOT-BC216677  Lupinus excubitus subsp. hallii B. D. Stark 1933-2-3 1780 Orange Atwood, 8/9 miles e. of Atwood on the south side of santa Fe R.R. 106 Comment
  UC527220  Lupinus excubitus var. hallii B. D. Stark 1931-4-18 1939 Orange Santa Ana Canyon mouth of Gypsum Canyon; n base of Santa Ana Mts., Santa Ana Canyon 152 Comment
  CHSC13495  Lupinus hirsutissimus T. N. Casale 1974-3-11 3 Orange On side of road, ca. 7.3 mi ne of the Mission San Juan Capistrano on Hwy 74. 243 Comment
  RSA754066  Lupinus hirsutissimus A. C. Sanders, Fred M. Roberts 2008-7-16 35881 Orange Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 358 Comment
  CAS-BOT-BC94726  Lupinus latifolius R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-3-24 719 Orange Chino Hills State Park. South Ridge Road W of San Juan Hill, going W from Equestrian Staging Area. Top of ridge 1450 Comment
  RSA413752  Lupinus latifolius subsp. parishii N. C. Cooper 1949-5-1 3949 Orange San Juan Canyon 610 Comment
  CAS-BOT-BC217749  Lupinus longifolius E. R. Johnson 1932-4-15 2957 Orange Rancho Santa Ana, 1 mi. NW of Roundtop (Section 16) 457 Comment
  RSA542381  Lupinus longifolius Fred M. Roberts, T. Sholars, B. Stechmeyer 1988-3-29 3889 Orange Lomas De Santiago: Lomas Ridge, Santiago Canyon Road, 5.5km NW Silverado Canyon Road Jct. 256 Comment
  RSA588787  Lupinus longifolius Fred M. Roberts, D. Bontrager 1990-4-18 4575 Orange Rancho Mission Viejo: Chiquita Ridge, just west of Canada Chiquita, 2.9 km N Median Rancho Survey Marker 183 Comment
  UCR228793  Lupinus longifolius Dick Newell, Don Millar 2011-5-3 145 Orange Coastal Plains, San Joaquin Hills, Laguna Canyon Wilderness Park, Willow Trail 160 Comment
  RSA780825  Lupinus longifolius Sandy Leatherman 2011-5-2 2011 -14 Orange Peninsular Ranges; Chino-Puente Hills region; along a trail 65 meters north of the water tanks at the terminus of Olinda Road in Carbon Canyon in the City of Brea 413 Comment
  IRVC21666  Lupinus microcarpus var. microcarpus R. L. Allen 1979-2-28 A 6 Orange Mission Viejo: right shoulder of Interstate 5, northbound, near Alicia Bridge. Southern Coastal Comment
  IRVC16566  Lupinus sparsiflorus subsp. sparsiflorus Gordon A. Marsh, Karlin G. Marsh 1978-5-2 s.n. Orange Santa Ana Mountains; Silverado Truck Trail. Peninsular Ranges 884 Comment
  IRVC2339  Lupinus sparsiflorus subsp. sparsiflorus J. Morgan 1965-4-14 s.n. Orange Laguna Canyon. Southern Coastal Comment
  RSA86974  Lupinus sparsiflorus subsp. sparsiflorus F. W. Peirson 1923-5-5 3508 Orange Trabuco Canyon, Santa Ana Mts. 549 Comment
  IRVC19804  Lupinus sparsiflorus subsp. sparsiflorus Karlin G. Marsh 1983-4-11 s.n. Orange Laguna Beach: Sycamore Hills, main ridge, head of El Toro-4 canyon. Southern Coastal Comment
  RSA28731  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1938-5-8 1614 Orange Ortega Hwy, Santa Ana Mts Comment
  IRVC2343  Lupinus succulentus Tony Price 1965-4-17 HS 0414 Orange Black Star Canyon. Santa Ana Mountains Comment
  IRVC2355  Lupinus succulentus Janet Morgan 1965-3-3 s.n. Orange Laguna Canyon. Southern Coastal Comment
  RSA653185  Lupinus succulentus David Barrios 1991-5-8 33 Orange 1500 ft. Northwest of Fairmont Ave and Quail cir. 365 Comment
  RSA701206  Lupinus succulentus Keith E. Hoffmaster 1928-3-5 s.n. Orange Santa Ana Mountains Comment
  RSA734641  Lupinus succulentus A. C. Sanders, Fred M. Roberts 2008-3-25 34573 Orange Peninsular Range; Santa Ana Mtns.: Saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake. 405 Comment
  UCR191451  Lupinus succulentus A. C. Sanders, Fred M. Roberts 2008-4-8 34756 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  UCR209374  Lupinus succulentus Fred M. Roberts 2008-3-25 6792 Orange Loma Ridge, Upper Hicks Canyon near Haul Road, c. 4.4 km by road from Portola Parkway, and 3.2 km east northeast Rattlesnake Canyon Reservoir 269 Comment
  RSA0059075  Lupinus succulentus CNPS Accuracy Assessment Team 2014-5-8 9027 Orange Limestone Canyon. Comment
  UCR193438  Lupinus truncatus A. C. Sanders, Mitch Provance 2008-5-20 35393 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  IRVC15186  Lupinus truncatus Gordon A. Marsh, K. Conrey 1975-4-14 s.n. Orange Lomas de Santiago: Lomas Ridge, 1/4mi NNW Rattlesnake Canyon Reservoir Dam Southern Coastal Comment
  IRVC2354  Lupinus truncatus D. Ibbetson 1965-4-19 s.n. Orange Newport Beach. Southern Coastal Comment
  SEINET7062958  Lychnis coronaria A. G. Vestal 1947-6-12 s.n. Orange Santiago Creek Valley 0.4 mile below Silverado Canyon Fork. UTM Zone 11, 438682mE, 3733866mN. (WGS84/NAD83). 384 Comment
  CAS-BOT-BC383071  Lycium brevipes R. E. Riefner, Jr. 2012-1-16 12 -7 Orange City of Newport Beach, Corona del Mar, Buck Gully, near LIttle Corona Beach, slope adjacent to restroom facility, vicinity of Poppy Ave. and Ocean Blvd. 15 Comment
  RSA719470  Lycium brevipes R. E. Riefner Jr. 2006-9-6 06 -419 Orange City of Corona del Mar, vicinity of Poppy Ave. and Ocean Blvd. 4 Comment
  CAS-BOT-BC516184  Lycium californicum R. E. Riefner, Jr. 2012-11-24 12 -558 Orange City of San Clemente, Presidio Ave., ca. 0.2 mi S of Ave. Pico 34 Comment
  POM4211  Lycium californicum D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach. Comment
  RSA428834  Lycium californicum Albert J. Perkins 1920-6-12 s.n. Orange Corona del Mar Comment
  SD236331  Lythrum californicum A. C. Sanders, Fred M. Roberts 2008-9-18 36093 Orange Peninsular Range; Santa Ana Mtns. Foothills: Lomas de Santiago, Santiago Creek Canyon c. 0.5-0.8 miles above the highway bridge 299 Comment
  UCR207599  Lythrum hyssopifolia O. F. Clarke 2004-5-19 s.n. Orange South Coast, Fairview Park, Costa Mesa 24 Comment
  RSA700921  Macadamia ternifolia Unspecified 1938-05 s.n. Orange Santa Ana Comment
  POM49378  Madia elegans subsp. elegans L. R. Abrams 1901-06 1817 Orange Santiago Peak Trail 915 Comment
  UCSB47588  Madia gracilis Roberts, Jr., Fred 1980-5-3 Orange Santa Ana Mtns., San Juan Canyon near mouth of Viejo Cyn.; below Rte. 74, 2.5 km. by road ENE San Juan Guard Station; 0.5 km. WSW Bm 1100 288 Comment
  RSA647941  Malacothamnus fasciculatus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-1 17 Orange 1/2 mile south of Chino Hills State Park. 198 Comment
  UC527450  Malacothamnus fasciculatus C. B. Wolf 1931-7-25 2294 Orange Rancho Santa Ana, along road at N side of Pear Orchard Santa Ana Canyon 121 Comment
  OBI5977  Malacothamnus fasciculatus var. fasciculatus Carl B. Wolf 1931-7-25 2294 Orange N side of the Pear Orchard, Rancho Santa Ana, Santa Ana Can. 122 Comment
  CDA23124  Malacothrix saxatilis Mark A. Elvin, D. G. Kelch 2006-12-9 5328 Orange Southern Coastal; Newport Backbay; along Bayside Drive ca. 500 meters northeast of road to CA Department of Fish and Game office. Comment
  IRVC22734  Malacothrix saxatilis var. tenuifolia Fred M. Roberts 1985-5-13 1787 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  JEPS112967  Malacothrix saxatilis var. tenuifolia Dean W. Taylor 1994-6-7 14410 Orange Newport Bay; along Backbay Drive at the junction with San Joaquin Hills Drive 6 Comment
  POM201784  Malacothrix saxatilis var. tenuifolia L. M. Booth 1932-7-27 1319 Orange Corona del Mar, Newport Bay. Comment
  UCR247892  Malacothrix saxatilis var. tenuifolia Fred M. Roberts 2012-7-18 7661 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill 52 Comment
  CAS-BOT-BC347889  Malacothrix saxatilis var. tenuifolia Philip A. Munz 1950-8-5 15478 Orange Rancho Santa Ana Botanic Garden, on Santa Ana River 198 Comment
  POM7072  Malacothrix saxatilis var. tenuifolia L. T. Street, G. Williams 1919-5-10 2719 Orange Turnbull Canyon. Near Whittier 305 Comment
  RSA743469  Malephora crocea Fred M. Roberts, Lee Ann Carranza, Jeff Roseler 2008-10-9 7126 Orange Dana Point: Dana Point Headlands, CNLM Preserve, at base of cliff along south edge, 0.7 km W Marine Institute (Dana Point Harbor). 3 Comment
  SD236159  Malosma laurina A. C. Sanders, Fred M. Roberts 2008-6-17 35462 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, Loma Ridge on Hicks Canyon Haul Road, c. mideway between Foothill Transportation Corridor and Santiago Cyn. Rd. 334 Comment
  UC68860  Malosma laurina H. M. Hall July, 1905 6731 Orange Santa Ana R. Comment
  UCR208048  Malosma laurina D. E. Bramlet 2004-5-27 3594 Orange Donna O'Neill Reserve, SW corner of Reserve, just east of the Telaga development, 1.43 km west of Cristianitos Road and 1.37 km N of Pico 183 Comment
  CAS-BOT-BC206641  Malva assurgentiflora L. R. Abrams 1917-6-23 6577 Orange Balboa Comment
  RSA734957  Malva parviflora Keith E. Hoffmaster 1927-1-9 455 Orange Santa Ana Comment
  RSA0031758  Malva parviflora Robert F. Thorne 1977-11-21 50816 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  RSA657743  Malva parviflora Ken Greby 1985-4-18 22 Orange alongside Laguna Canyon Rd. approx. 1.5 km. NE from El Toro Rd. 46 Comment
  UCSB41834  Malva parviflora MacKay, Shelley 1971-4-1 Orange On the CSF campus, along the side of the concrete 41 Comment
  CHSC19526  Marah macrocarpa T. Casale 1974-4-11 1 Orange Ca. 4.1 mi ne of the Mission SanJuan Capistrano on Hwy. 74. 170 Comment
  UCR223414  Marah macrocarpa Dick Newell, Don Millar 2011-2-15 063 Orange South Coast, San Joaquin Hills, Laguna Wilderness Park, along Stagecoach Trail 131 Comment
  UCR99891  Marah macrocarpa Scott D. White 1996-12-20 4633 Orange Santa Ana Mountains, above Modjeska Canyon; proposed water tank site 488 Comment
  RSA652419  Marah macrocarpa Harvey Kennedy 1949-2-20 s.n. Orange Newport Beach, back bay. 9 Comment
  RSA801986  Marah macrocarpa var. macrocarpa Minor Warne 1934-2-1 s.n. Orange Santiago Canyon Comment
  RSA733980  Marrubium vulgare Keith E. Hoffmaster 1926-12-18 422 Orange Santa Ana. Comment
  POM202026  Marrubium vulgare L. M. Booth 1932-5-24 1107 Orange West Side of Newport Lagoon. Comment
  RSA232219  Marrubium vulgare James Henrickson 1970-8-15 5285 Orange 3 miles NW of Huntington Beach, north of Bolsa Bay, 3/4 mile SE of Warner Ave. Comment
  RSA552932  Marrubium vulgare Fred M. Roberts, R. E. Riefner 1989-5-2 4333 Orange Aliso-Wood Canyons Regional Park: Lower Woods Canyon, 3.3 km S Multon Peak. 40 Comment
  RSA650826  Marrubium vulgare Daniel Truong 1991-5-13 24 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of 'closed area' Comment
  POM900  Marsilea vestita D. L. Crawford 1916-7-26 s.n. Orange Laguna Canyon. Comment
  RSA665952  Marsilea vestita Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5423 Orange Rancho Mission Viejo: South of San Juan Creek, 0.4km ESE Median Rancho Survey Marker., PCR Vernal Pool 7. 238 Comment
  RSA85842  Marsilea vestita F. W. Peirson 1924-5-31 4645 Orange Laguna Canyon, near Laguna Beach 106 Comment
  RSA357003  Matricaria matricarioides R. F. Thorne 1975-4-6 45566 Orange San Joaquin Marsh: Near Irvine and coast. Comment
  RSA113265  Matthiola incana E. K. Balls 1955-4-4 20423 Orange Coastal Strand, west end of Newport Beach. 3 Comment
  UC1419832  Mazus pumilus G. D. Barbe 1973-8-9 1694 Orange Growing in pot with plant from Georgia: Santa Ana (Tustin); Bordier's Nursery, 7231 Irvine Blvd Comment
  POM7620  Meconella denticulata P. A. Munz, R. D. Harwood 1920-4-25 6719 Orange Shady hillside by road in Silverado Canyon, Santa Ana Mts. 549 Comment
  IRVC2371  Medicago polymorpha D. Van Gorden 1965-5-2 s.n. Orange Anaheim and Meyer Field. Costa Mesa Comment
  UCD107890  Medicago polymorpha Ira L. Wiggins 1966-3-4 20492 Orange Shoulder of Peralta Ave. near junction of Newport Freeway and Riverside Highway. Comment
  UCR156571  Medicago polymorpha J. B. Anderson 1966-4-16 581 Orange South Coast, Corona Del Mar: Buck Gully, 'Little Corona Beach 15 Comment
  UCR230230  Medicago polymorpha Dick Newell, Don Millar 2011-3-15 079 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agua Chinon Wash 219 Comment
  RSA399  Medicago polymorpha J. T. Howell 1928-2-7 823 Orange Near the ranch houses, Rancho Santa Ana 152 Comment
  RSA678730  Medicago polymorpha Fred M. Roberts, Laura Cohen 2000-3-24 5267 Orange Rancho Mission Veijo Land Conservancy: Tributary to Christanitos Cyn., Flagpole Meadow, upper shady Canyon Trail, about 1.6 NW Sycamore Gate. 170 Comment
  RSA746484  Medicago rigidula R. E. Riefner Jr. 2008-5-1 08 -73 Orange City of San Juan Capistrano, San Juan Creek area, ca. 0.2 mi W of intersection of Paseo Tirador and Calle Arroyo St. 31 Comment
  RSA755558  Medicago truncatula A. C. Sanders, Fred M. Roberts 2008-5-6 35258 Orange Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  CAS-BOT-BC414241  Melaleuca viminalis R. E. Riefner, Jr. 2014-7-13 14 -242 Orange City of Seal Beach, N side of Westminster Blvd., ca. 0.2 mi W of Road B 5 Comment
  RSA725517  Melia azedarach Fred M. Roberts, Robert L. Allen 2007-9-28 6613 Orange Lomas de Santiago: above lower Santiago Cyn. wash along Santiago Cyn. Rd. just south of Irvine Mesa, 3.3 km N Bolero Lookout. 332 Comment
  CAS-BOT-BC281596  Melica imperfecta R. C. Wenk; et al. 2008-3-24 718 Orange Chino Hills State Park. South Ridge Rd W of San Juan Hill, going W from Equestrian Staging Area 441 Comment
  CAS-BOT-BC94724  Melica imperfecta R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-3-24 718 Orange Chino Hills State Park. South Ridge Road W of San Juan Hill, going W from Equestrian Staging Area. Top of ridge 1450 Comment
  HSC10354  Melica imperfecta C. L. Hitchcock, C. V. Muhlick 1964-3-17 23071 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  RSA542365  Melica imperfecta Fred M. Roberts 1988-4-8 3896 Orange Lomas de Santiago: Loma Ridge, Central Linestone Canyon, 4.1 kilometers NNW Bolero Lookout. 323 Comment
  RSA58  Melica imperfecta J. T. Howell 1927-6-26 230 Orange Claymine Canon near Sierra Peak. [canyon] 244 Comment
  RSA681950  Melica imperfecta Fred M. Roberts, David E. Bramlet 2003-3-13 5579 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate., (33 deg 29'37N, 117 deg 34' 16 W [UTM: 11S-04 46 936mE, 37 05 965mN.] 207 Comment
  RSA703723  Melica imperfecta D. E. Bramlet, Fred M. Roberts 2003-3-13 3334 Orange Donna O'Neill Reserve. North East ridge of the reserve, 915m W of Cristianitos Rd. & 1.2km N of the E-W access road., (11S, 04 46 770E, 37 06 080N) 195 Comment
  RSA751312  Melica imperfecta A. C. Sanders, Fred M. Roberts 2008-5-6 35265 Orange Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  UCD88061  Melica imperfecta R. Tofsrud 1951-4-1 s.n. Orange Orange-San Diego County borders: Santa Ana Mts. 609 Comment
  UCR217458  Melica imperfecta Mark A. Elvin 2003-3-30 2397 Orange South Coast, north side of UC Irvine Preserve, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  POM7085  Melica imperfecta var. flexuosa P. A. Munz, L. T. Street, G. Williams 1919-5-3 2659 Orange Santa Ana River Canyon. Comment
  IRVC2396  Melilotus albus Pat Rolfe 1965-4-24 s.n. Orange Ortega Highway. Santa Ana Mountains Comment
  UCR237821  Melilotus albus Mark A. Elvin 2003-2-2 2291 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  IRVC2418  Melilotus indicus Bruce Reynolds 1965-4-20 s.n. Orange Newport Beach; Balboa Island, 115 Amethyst Ave. Southern Coastal Comment
  IRVC2419  Melilotus indicus B. Mawdsley 1965-5-1 s.n. Orange Newport Beach; Corona del Mar, 520 Narcissus Dr. Southern Coastal Comment
  IRVC2424  Melilotus indicus Ed Hazen 1965-4-27 s.n. Orange Costa Mesa; Victoria St. and Victoria Place. Southern Coastal Comment
  IRVC2425  Melilotus indicus Mike McCartin 1965-5-1 s.n. Orange Newport Beach; [Newport] Back Bay. Southern Coastal Comment
  UCR241902  Melilotus indicus Fred M. Roberts 2012-4-24 7520 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  RSA657749  Melilotus indicus Ken Greby 1985-5-17 46 Orange behind PG and E substation located 2 km. SE from Laguna Canyon Rd., on El Toro Rd., adjacent to Leisure World. Comment
  RSA688867  Melilotus indicus Fred M. Roberts 2003-5-1 5668 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente) 84 Comment
  SD236328  Mentzelia micrantha A. C. Sanders, Fred M. Roberts, Amber ONeal 2008-5-9 35313 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir 345 Comment
  JEPS42917  Mesembryanthemum crystallinum L. M. Booth 1932-6-29 1224 Orange Newport Bay Comment
  UCR21112  Mesembryanthemum crystallinum S. Beckstrom-Sternberg 1980-5-25 52580 01 -6 Orange Jamboree Rd entrance to Hwy 73 South. Comment
  RSA5963  Mesembryanthemum crystallinum C. B. Wolf 1932-9-13 4035 Orange Bryant Ranch, dike at east side of San Gabriel River Flood Control, at North boundary of ranch 6 Comment
  SEINET3155128  Mesembryanthemum nodiflorum L. Abrams 1903-4-20 3280 Orange Near San Juan Comment
  POM768  Mesembryanthemum nodiflorum Daniel J. Crawford 1916-5-10 s.n. Orange Laguna Beach. Comment
  RSA704434  Micropus californicus Fred M. Roberts, David E. Bramlet 2004-4-21 6037 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon, tributary to Cristianitos Cyn., 1.05 km NW Sycamore Gate, 0.94 km W of Cristianitos Road. 158 Comment
  UC1929783  Micropus californicus Scott D. White, Amanda Duchardt 2003-3-27 8860 Orange SANTA ANA MOUNTAIN FOOTHILLS: Canyon bottom and west facing slopes above Canada Gobernadora. Comment
  UCR177441  Micropus californicus Scott D. White, Amanda Duchardt 2003-3-27 8860 Orange Peninsular Ranges/Santa Ana Mtns, Canyon bottom and W-facing slopes above Canada Gobernadora 183 Comment
  RSA597724  Microseris douglasii subsp. platycarpha D. E. Bramlet 1995-4-29 2404 Orange Fairview Park, City of Coast Mesa. The site is located some 366m N of the intersection of Wilson and Canyon Dr. and 152 m W of the Canyon School, on a mesa overlooking the Santa Ana River. 43 Comment
  RSA799939  Microseris douglasii subsp. platycarpha Justin M. Wood 2011-4-12 3650 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. 24 Comment
  RSA651500  Microseris douglasii subsp. platycarpha D. E. Bramlet 2000-4-12 2972 Orange Fremont Canyon. The site is 183m south of the existing access road on the north ridge of the canyon. The site is 1.37km northeast of Santiago Creek. 336 Comment
Read comments
Feb 21 2007
  RSA749850  Microseris heterocarpa Scott D. White, Amanda Duchardt 2003-3-27 8850 Orange Santa Ana Mountain Foothills: Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  RSA263649  Microseris lindleyi E. W. Lathrop 1966-4-6 6138 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  RSA606307  Microsteris gracilis subsp. gracilis Jon E. Keeley 1994-4-5 25264 Orange First year burn, east end of Caspers Park S-7 (Keeley 1994). 215 Comment
  RSA649084  Mimulus aurantiacus subsp. australis Karl Price 1988-4-29 20 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 Comment
  RSA0058060  Mimulus aurantiacus subsp. australis Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49674 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  POM311164  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-9 1909 -F&G Orange North slope Laguna Canyon ca. 4 mi. east of Laguna Beach. Comment
  POM311167  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-9 1909 -H&I Orange North slope Laguna Canyon ca. 4 mi. east of Laguna Beach. Comment
  HSC25251  Mimulus aurantiacus var. puniceus Richard Spjut 1972-2-21 2214 Orange Santa Ana Mtns., Cleveland National Forest, along Hwy. 74 305 Comment
  RSA454329  Mimulus aurantiacus var. puniceus N. C. Cooper 1949-5-1 3946 Orange San Juan Canyon. 610 Comment
  RSA602642  Mimulus aurantiacus var. puniceus B. Pitzer 1996-4-30 2801 Orange San Joaquin Hills Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy). 15 Comment
  UC1063445  Mimulus aurantiacus var. puniceus R. St. John 1931-4-14 205 Orange Hot Springs, San Juan Canyon Elsinore Quadrangle 365 Comment
  RSA759108  Mimulus cardinalis Robt. Allen, Reginald Durant 2008-9-28 s.n. Orange Laurel Spring, just below Harding Truck Trail. Survey Waypoint no. 85. Comment
  SEINET7908929  Mimulus cardinalis G. A. Klue 1972-1 12 Orange Silverado Canyon 610 Comment
  RSA542495  Mimulus clevelandii Fred M. Roberts, Karlin G. Marsh 1987-5-14 3444 Orange Santa Ana Moutains: Upper Trabuco Canyon, Trabuco Canyon Trail , 1.4 km NE Los Pinos Peak 1121 Comment
  UCR193504  Mimulus floribundus A. C. Sanders, T. B. Salvato 2008-5-13 35335 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  RSA701948  Mimulus guttatus Fred M. Roberts, David Bramlet 2003-6-6 5901 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. Comment
Read comments
Nov 7 2014
  RSA769081  Mimulus guttatus R. H. McArthur 1934-3-8 s.n. Orange Laguna Hills Comment
  RSA0045513  Mimulus guttatus Keith E. Hoffmaster 1935-4-14 928 Orange Trabuco creek, 1/4 mi. above CCC camp at Trabuco Oaks, Santa Ana Mts. PR 8. Comment
  RSA715695  Mimulus pilosus Fred M. Roberts, Chris M. Barnhill 2005-9-27 6277 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  UCR190986  Mimulus pilosus A. C. Sanders, Fred M. Roberts 2008-4-22 34992 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon haul road, just above Irvine Ranch gate and road to cement plant, c. 1 mile NE of Rattlesnake Reservoir 244 Comment
  CLARK-A1528-4272  Mimulus puniceus John C. Roos 1965-6-16 Orange Dana Point Comment
  CDA41824  Mimulus puniceus Pope & Hill 1957-4-9 s.n. Orange Irvine Ranch. 0 Comment
  SEINET11941951  Mirabilis californica J. F. Bright, Wyman, C. 1933-1 8105 Orange In Santa Ana Foothills Comment
  HSC16157  Mirabilis laevis C. L. Hitchcock 1966-3-15 24143 Orange Stearns Lease, 1.5 mi. E of Brea. Comment
  RSA0113242  Mirabilis laevis Lyman Benson 1946-4-27 12050 Orange Corona del Mar. 15 Comment
  RSA0010774  Mollugo verticillata L. R. Abrams 1901-06 1769 Orange Laguna Comment
  SFV20018  Monanthochloe littoralis A. Dittmer, S. Dark 2004-10-3 77 Orange Bolsa Chica wetlands. Across the public access bridge (east) of the public parking area off Highway 1. Comment
  UC537290  Monanthochloe littoralis Lawrence M. Booth 1932-5-12 1046 Orange Newport Bay Comment
  UCD86109  Monanthochloe littoralis F. M. Reed 1928-2-10 5713 Orange Arch Beach. 46 Comment
  UCR158815  Monardella hypoleuca subsp. intermedia A. C. Sanders, Mark A. Elvin 2005-9-2 31615 Orange Santa Ana Mtns., upper Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks 976 Comment
  CAS-BOT-BC263362  Muhlenbergia asperifolia John Thomas Howell 1927-7-21 2812 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  UCR205983  Muhlenbergia asperifolia R. E. Riefner Jr. 2000-3-26 20- 150 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Fremont Canyon, north of major stream fork along west channel drainage 335 Comment
  CAS-BOT-BC227250  Muhlenbergia microsperma R. E. Riefner, Jr. 2011-8-16 11 -99 Orange Newport Beach, Orange County Parks & Recreation lands, along Newport Coast Drive, between Vista Ridge Rd. & Alteza Rd. 280 Comment
  RSA752038  Muhlenbergia microsperma Fred M. Roberts 2008-3-27 6811 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 1, 0.5km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA0010808  Myoporum laetum A. C. Sanders, D. Malueg, K. D. Jones 2000-4-19 23335 Orange Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 0 Comment
  UCR239624  Myoporum rapense Fred M. Roberts 2012-4-24 7496 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  RSA0125893  Myoporum sandwicense Fred M. Roberts 2012-5-9 7551 Orange Lake Forest: near Serrano Creek, utility road, 0.3 km SSW intersection of Commerce Centre and Dimension Drives. 206 Comment
  UCR247878  Nama stenocarpa Fred M. Roberts, Laura Cohen 2012-10-31 7714 Orange San Joaquin Hills, Upper Laguna Lake, north end. Laguna Coast Wilderness Park, c. 5.1 km east northeast of Signal Hill 113 Comment
  POM156462  Nassella cernua Le Roy Abrams 1903-4-18 3268 Orange Capistrano Comment
  RSA678733  Nassella lepida Fred M. Roberts, Robert Allen, Carol Roberts 2003-5-11 5862 Orange Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive., (UTM: 11S - 04 33 104mE, 37 02 642mN) 73 Comment
  RSA751328  Nassella lepida A. C. Sanders, Fred M. Roberts 2008-5-6 35264 Orange Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  UCD87925  Nassella lepida F. M. Reed 1928-7-10 6579 Orange sidewalk in Laguna Beach, El Toro. 1524 Comment
  CAS-BOT-BC260105  Nassella pulchra John Thomas Howell 1927-6-9 2467 Orange N side, Santa Ana Canon [Santa Ana Canyon] 152 Comment
  RSA732051  Nassella pulchra A. C. Sanders, Fred M. Roberts 2008-4-8 34741 Orange Peninsular Range: Lomas de Santiago, Loma Ridge, head of Hicks Canyon. S of Santiago Reservoir. 351 Comment
  RSA747596  Nassella pulchra Fred M. Roberts 2000-5-19 5329 Orange Lomas de Santiago: Loma Ridge, ridge west of Bee Peak above Bee Cyn. landfill, 0.2 km W Bee Peak. 500 Comment
  CDA20832  Nasturtium officinale P. Akers 2006-3-25 PA 6 -06 Orange Peninsular Ranges; Yorba Linda. Santa Ana River S of La Palma Dr, 0.6-0.9 mi E of Yorba Linda Dr. 121 Comment
  RSA647951  Nasturtium officinale Ken Greby 1985-4-18 10 Orange N side of Laguna Canyon Rd., 1 km NE of El Toro Rd. 53 Comment
  POM201688  Navarretia atractyloides L. M. Booth 816 Orange Santa Ana Canyon Comment
  RSA799945  Nemacaulis denudata var. denudata Justin M. Wood 2011-4-12 3667 Orange South Coast, Santa Ana River: marsh just upstream of Pacific Coast Highway. 0 Comment
  RSA610225  Nemacaulis denudata var. denudata Fred M. Roberts, J. Vanderwier 1997-4-29 5023 Orange Bolsa Chica Salt Marsh; (US Fish and Wildlife Service cell 60) west of old oil field, 1.1 km. S Chica Survey Mark. 2 Comment
  LA9429  Nemacladus ramosissimus LeRoy Abrams; 1903-4-18 3268 Orange Capistrano Comment
  RSA421356  Nemophila menziesii Gale Sphon 1955-3-13 s.n. Orange Silverado Canyon Comment
  UC1607998  Nemophila menziesii Donald G. Nelson 1935-3-16 164 Orange n Fullerton; n of Fullerton 60 Comment
  POM347132  Nemophila menziesii var. integrifolia Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  CAS-BOT-BC465565  Nephrolepis cordifolia R. E. Riefner, Jr. 2013-4-5 13 -59 Orange City of Yorba Linda, southbound 91-freeway at 55-freeway interchange, ca 0.6 mi W of Lakeview Ave. 80 Comment
  UC2042000  Nephrolepis cordifolia R. E. Riefner Jr. 2011-8-25 11 -120 Orange City of Laguna Beach, Aliso Beach County Park, bluff ca. 0.15 mi SE of Aliso Way, NW ca 0.25 mi of West St. Comment
  IRVC156  Nephrolepis exaltata var. bostoniensis Don Pfirrmann 1965-4-30 HS 535 Orange Newport Beach; 259 Mayflower Drive. Southern Coastal Comment
  HSC21276  Nicotiana glauca J. W. Johnson 1961-3-29 Orange Newport Beach, at foot of cliffs, upper Newport Bay Comment
  UCR217290  Nicotiana glauca Mark A. Elvin 2003-3-30 2394 Orange South Coast, north side of UC Irvine Preserve, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  UC402660  Nicotiana quadrivalvis Katharine Brandegee Orange Anaheim Comment
  SEINET12856155  Nicotiana quadrivalvis P. C. Everett 1935-1 7259 Orange 0.8 mile E. of Atwood, S side of RR tracks 107 Comment
  RSA323273  Nolina cismontana James C. Dice, Wier 1984-9-23 587 Orange Mission Viejo, 1.2 km NW of Lake Mission Viejo, along south edge of Vista del Lago, just west of Canaveras. 275 Comment
  RSA643664  Nolina cismontana R. E. Riefner 2000-3-19 20 -137 Orange NCCP North Ranch Policy Plan Area. Along dirt road running N and parallel to Black Star Cy. Road. 396 Comment
  RSA658138  Nolina cismontana R. E. Riefner 2000-7-6 20 -616 Orange NCCP North Ranch Policy Plan Area; NE property, along Nat l Forest Boundary, S of Claymore Mine Comment
  RSA716093  Nolina cismontana Fred M. Roberts, Carol A. Roberts 2006-4-28 6323 Orange Mision Viejo: near Vista del Lago Dr., 0.9km NE jct. Vista del Lago and Los Alios Blvd., 1.7km NNW Lake Mission Viejo dam. 211 Comment
  UCR208437  Nolina cismontana R. E. Riefner Jr. 2007-6-14 07- 256 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, west fork Fremont Canyon, Donaldson Ranch area 381 Comment
  UCR193761  Nothoscordum gracile A. C. Sanders 2008-7-3 35714 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., at Agustine Staging Area 260 Comment
  UCR189550  Nyctocereus serpentinus Fred M. Roberts, R. L. Allen 2007-9-28 6615 Orange Santa Ana Mountains, Silverado Canyon, along Silverado Canyon Rd. at eastern edge of town of Silverado 347 Comment
  RSA733638  Oenothera dentata Minor Warne 1934-03 s.n. Orange Near El Toro Comment
  UCR222862  Oenothera elata T. B. Salvato 2010-10-27 5130 Orange South Coast, Dana Point Headlands, Hilltop Park, north of Scenic Dr. and west of Green Lantern St., overlooking Dana Point Harbor 84 Comment
  UC1007118  Oenothera elata subsp. hirsutissima P. A. Munz 1936-6-30 14173 Orange 5 mi s Garden Grove Comment
  POM225243  Oenothera elata subsp. hirsutissima P. A. Munz 1936-6-30 14176 Orange About 6 miles south of Garden Grove. Comment
  RSA355662  Oenothera elata subsp. hirsutissima Claire Kibbe 1936-07 s.n. Orange Santa Ana Canyon. Comment
  RSA771511  Oenothera micrantha Keith E. Hoffmaster 1927-4-2 465 Orange Santa Ana Mountains [county not specified] Comment
Read comments
Jun 10 2012
  UCR239649  Oenothera speciosa Fred M. Roberts 2012-5-9 7550 Orange Santa Ana Mountains, Lake Forest, near Serrano Creek utility road, 0.3 m south-southwest of intersection of Commercentre and Dimension Drives 206 Comment
  CDA5201  Oenothera speciosa Bill Amling 1957-7-23 Orange 0 Comment
  RSA609020  Oligomeris linifolia L. M. Booth 1932-5-24 1097 Orange Newport Bay. 8 Comment
  UCR235514  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-20 11- 57 Orange South Coast, Newport Beach, Coastal Peak Park, East Coastal Peak Road at Ridge Park Road 305 Comment
  CAS-BOT-BC56859  Opuntia X occidentalis B. D. Stark 1933-1-21 4519 Orange Field redacted by CAS, contact the data manager for more information 60 Comment
  POM288521  Opuntia X occidentalis Lyman Benson 1955-10-17 15597 Orange Moulton Ranch just west of the summit east of Laguna Beach. 152 Comment
  RSA6613  Opuntia X occidentalis B. D. Stark 1933-1-21 4519 Orange Dana Point. 15 Comment
  CAS-BOT-BC56838  Opuntia ficus-indica J. C. Lee 1966-4-9 27 Orange Field redacted by CAS, contact the data manager for more information 304 Comment
  POM284094B  Opuntia littoralis Lyman Benson 1955-10-17 15598 Orange Moulton Ranch just west of the summit east of Laguna Beach. 152 Comment
  RSA704425  Opuntia littoralis Fred M. Roberts, David E. Bramlet 2004-7-30 6081 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Western slopes of Cristianitos Cyn., 0.25km W Sycamore Gate and Cristianitos Road. 151 Comment
  RSA317752  Opuntia oricola David Walkington 1963-5-17 170 Orange Above intersection of Dana Cove Park rd. and Green Lantern Dr., continuous slope with Dana Cove Park Rd. Dana Point. 61 Comment
  UCR217283  Opuntia oricola Mark A. Elvin 2003-1-26 2234 Orange South Coast, Irvine, UC Irvine Open Space Preserve, NE side, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  UCR229098  Opuntia oricola T. B. Salvato 2010-10-27 5128 Orange South Coast, Dana Point Headlands, Harbor Point Park, south of Scenic Dr. and Cove Rd., beyond the end of Green Lantern St., overlooking Dana Point Harbor 70 Comment
  RSA0066512  Orobanche fasciculata Le Roy Abrams 1901-6-15 1847 Orange Santiago Peak. Comment
  POM296926  Orthocarpus purpurascens Lyman D. Benson 1946-4-27 12052 Orange Corona Del Mar; Drainage area: Pacific Ocean. 15 Comment
  RSA0054847  Orthocarpus purpurascens Keith E. Hoffmaster 1927-4-2 531 Orange Santa Ana Mts. San Onofre. Comment
  CAS-BOT-BC254369  Oryza sativa Ira L. Wiggins 1965-11-6 20335 Orange Near railroad right of way, along W side of Atwood Comment
  CAS-BOT-BC355773  Osmadenia tenella Munz; Street; Williams 1919-5-3 2631 Orange Santa Ana River Canon [Canyon] Comment
  CAS-BOT-BC355779  Osmadenia tenella Herbert L. Mason 1925-4-25 2903 Orange 5 miles south of Laguna Comment
  RSA789219  Osmadenia tenella Naomi Fraga, Duncan S. Bell 2009-5-11 2723 Orange Chiquita Trail 762 Comment
  UCR209663  Osmadenia tenella Fred M. Roberts 2008-5-16 6984 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve north of Marguerita Drive, 0.5 km west-northwest of the Marine Institute, Dana Point Harbor 75 Comment
  UCR222414  Osmadenia tenella D. E. Bramlet 2008-4-15 4178 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Hicks Canyon, 301 m east of Haul Road & 1.4 km north of Bee Canyon access road 206 Comment
  UCR281571  Osmadenia tenella Mitch Provance 2017-6-9 617- 85 Orange Coyote Hills, North Fullerton, East side of Gilbert St., 0.25 miles NNE of intersection with Castlewood Dr. 164 Comment
  RSA458994  Osmorhiza brachypoda Albert J. Perkins 1914-6-14 s.n. Orange Santiago Peak. Comment
  IRVC29885  Osteospermum ecklonis Mark A. Elvin, D. Kelch, Barry S. Nerhus, Patricia Iluore 2006-12-9 5326 Orange Newport Backbay; along Bayside Drive ca. 100 m W of Eastbluff Dr. Southern Coastal 5 Comment
  UCR230239  Oxalis albicans subsp. pilosa Dick Newell, Don Millar 2011-3-15 086 Orange Peninsular Range; Santa Ana Mtns., MWD Road, east of Outdoor Education Center, 1.8 miles NW (312 deg. ) of Irvine Lake dam 239 Comment
  UCSB48385  Oxalis californica Roberts, Fred 1982-4-18 Orange San Juan Canyon, Hwy 74, 0.6km SW Lower San Juan Picnic Ground; 1.9km WNW Sitton Peak, Santa Ana Mtns. 420 Comment
  SEINET3347440 Image available Oxalis pes-caprae P. S. Rattle Spring 1938 Orange Huntington Beach Comment
  UCD111026  Oxalis pes-caprae Gordon Pilone 1961-3-14 111 Orange Little Corona Del Mar. 3 Comment
  UCR93936  Oxalis pes-caprae B. G. Pitzer, Paul Gomez 1996-4-30 2790 Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  UCR99085  Oxalis pes-caprae Scott D. White 1993-2-17 1052 Orange Vicinity of Olinda, near city of Brea, immediately north of Carbon Cyn Rd & east of Placentia Ave.; c. 1 mi. (airline) SSE of Tonner Cyn. 183 Comment
  RSA700032  Paeonia californica L. C. Hull 1934-3-11 s.n. Orange Ortega Highway Comment
  RSA732237  Paeonia californica A. C. Sanders, Fred M. Roberts 2008-4-22 35048 Orange Lomas de Santiago, slopes of south end of Loma Ridge and at head of Limestone Canyon, c. 2.5 miles SW of Silverado. 457 Comment
  UCR241101  Pallenis maritima R. E. Riefner Jr. 2011-6-25 11- 74 Orange South Coast, city of Laguna Beach, Moss Point, vicinity of Ocean Way at Ruby Street 7 Comment
  RSA644978  Panicum acuminatum var. acuminatum R. E. Riefner 2000-2-19 20 -117 Orange Santa Ana Mtns. NCCP North Ranch Policy Plan Area. Fremont Canyon: N. of Santiago Creek and immediately N. of major stream fork. 305 Comment
  RSA0036015  Panicum capillare var. occidentale Robert F. Thorne 1977-11-21 50804 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  RSA724124  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2005-9-20 5 -674 Orange City of Huntington Beach, Huntington Central Park at Goldenwest St. 1 Comment
  RSA731537  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2007-9-14 7 -395 Orange City of Anaheim, Santa Ana River bottom near 57-Freeway between Orangewood St. and Chapman Ave. 41 Comment
  POM202594  Parapholis incurva L. M. Booth 1932-5-12 1009 Orange Newport Bay. Comment
  RSA542349  Parietaria hespera var. hespera Fred M. Roberts Jr. 1987-4-21 3382 Orange Aliso Viejo: Aliso Creek, Aliso Creek bike Trail. 3.0 km ENE Moulton Peak. 73 Comment
  IRVC22980  Parkinsonia aculeata Karlin G. Marsh 1986-9-12 s.n. Orange Yorba Linda; Santa Ana Canyon, Santa Ana River, north side, Featherly Park south of Esperanza Rd. Santa Ana Mountains 105 Comment
  UCR261556  Parthenium hysterophorus Jan West 2015-4-22 s.n. Orange Santa Ana, SE corner of E 17th St. and Lincoln Ave., 0.5 km east of I-5 on 17th 49 Comment
  RSA0026252  Parthenocissus vitacea Fred M. Roberts 2013-6-12 7798 Orange Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  CAS-BOT-BC259631  Paspalum dilatatum Ira L. Wiggins 1965-10-2 20270 Orange At Hillcrest Park, Fullerton Comment
  UCR44904  Paspalum dilatatum B. G. Pitzer, L. F. LaPre 1986-10-20 319 Orange City of Irvine, Drainage channel near intersection of Irvine Blvd. and Sand Canyon Avenue. 91 Comment
  IRVC29791  Paspalum dilatatum Mark A. Elvin, Dean Kelch 2006-12-9 5317 Orange Irvine; San Diego Creek, edge of San Joaquin Marsh, beside University Dr., between Campus Dr. and Hwy 73. Southern Coastal 3 Comment
  UC455153  Paspalum distichum I. J. Condit 1908-7-21 Orange Los Alamitos Comment
  RSA766071  Paspalum pubiflorum R. E. Riefner Jr. 2009-11-11 09 -237 Orange City of Mission Viejo, Oso Creek, ca. 1.4 mi N of Paseo De Colinas on Camino Capistrano. Rip-rap rocks near a waste water treatment plant. 88 Comment
  SEINET6655640  Paspalum urvillei R. E. Riefner Jr. 2005-11-4 05 -742 Orange City of Lake Forest, Alton Pkwy at Bertea Rd.; 0 123 Comment
  RSA0089484  Paspalum vaginatum D. E. Bramlet 2009-11-27 4429 Orange South Coast: San Diego Creek between Irvine and Newport Back Bay. 4 Comment
  SBBG125948  Paspalum vaginatum R. E. Riefner Jr., K. Campbell 2008-8-31 08 -267 Orange tidal portion of San Diego Crk, immediately E of Hwy 73 overpass; City of Irvine 1 Comment
  SEINET10812531  Passiflora morifolia M. J. Smiley 1981-10-22 Smiley 57 Orange Univ. Calif. Irvine, Greenhouse Comment
  RSA450843  Pectocarya linearis subsp. ferocula Fred M. Roberts 1983-3-16 929 Orange Laguna Beach, Sycamore Hills, central ridge, 1.5km NNE jct E1 Toro and Laguna Canyon road, 5.5km ESE Signal Peak. 160 Comment
  RSA588784  Pectocarya linearis subsp. ferocula Fred M. Roberts, D. Bontrager 1990-4-18 4578 Orange Rancho Mission Viejo: Chiquita Rdge, west of Canada Chiquita, 2.0 km N Median Rancho Survey Marker 152 Comment
  UCR281514  Pectocarya penicillata Mitch Provance, Jeremiah George 2017-3-20 317- 109 Orange West Coyote Hills, Fullerton, vicinity of Utility Access Road W of Gilbert Street and N of Rosecrans Ave., on land previously occupied by oil fields. 131 Comment
  SD186238  Pelargonium A. C. Sanders, Mark A. Elvin 2003-10-12 27314 Orange Irvine, UCI Arboretum. 14 Comment
  UCR130357  Pelargonium A. C. Sanders, Mark A. Elvin 2003-10-12 27314 Orange Southern Coastal Slope, Irvine, UCI Arboretum, UCI campus near intersection of Jamboree Blvd. and Campus Dr. 15 Comment
  UCR218456  Pelargonium peltatum Robert DeRuff 1990-1 355 Orange South Coast, Upper Newport Bay, below Eastbluff 12 Comment
  SEINET9628398 Image available Pellaea andromedifolia M. D. Windham 1985-7-9 711 Orange In the Santa Ana Mts. along small tributary of Hot Spring Canyon ca. 1.88 km NNE of its confluence with San Juan Creek. Cleveland N.F. Canada Gobernadora Quad (7 1/2 min.). 293 Comment
  RSA791471  Pellaea andromedifolia Keith E. Hoffmaster 1928-1-26 33 Orange Santa Ana Mtns Comment
  RSA739323  Pellaea mucronata Keith E. Hoffmaster 1931-1-1 33 Orange Santa Ana Mountains Comment
  CDA2157  Pennisetum clandestinum Margaret Bellue, Johnson Oct 1944 Orange Yorba Linda. 0 Comment
  SD175783  Pennisetum setaceum D. G. Kelch 2006-12-9 06 564 Orange Irvine, University Dr. along tidal Creek just east of I-73. Comment
  UCSB48125  Pennisetum setaceum Roberts, Fred 1981-4-11 Orange Highway 74: 5.2 km. E San Juan Capistrano, near San Juan Creek crossing 52 Comment
  UCR236680  Pennisetum villosum Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7102 Orange Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river 87 Comment
  RSA220992  Penstemon heterophyllus var. australis E. W. Lathrop 1966-4-18 6186 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA16714  Penstemon spectabilis B. D. Stark 1935-7-26 7533 Orange 2 mi. south of summit of Skyline Drive, on road along ridge to Santiago Peak. 1067 Comment
  RSA0054894  Penstemon spectabilis Keith E. Hoffmaster 1934-4-8 134 Orange Santa Ana mts. Comment
  RSA298694  Penstemon spectabilis D. C. Michener 1982-5-24 4044 Orange Open road bank along Main divide truck route 5.4 mi. north of El Cariso. Comment
  CAS-BOT-BC330341  Pentachaeta aurea Le Roy Abrams 1903-4-17 3259 Orange Near El Toro Comment
  POM7598  Pentachaeta aurea P. A. Munz, R. D. Harwood 1920-4-24 3783 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
Read comments
Sep 17 2011
  RSA759154  Pentachaeta aurea subsp. allenii Robt Allen 2008-3-30 s.n. Orange San Joaquin Hills, Laguna Coast Wilderness Park, along Stagecoach South Trail, about 0.25 air mile S of trailhead near the Nix Nature Center. 163 Comment
  RSA0094735  Pentagramma triangularis E. K. Balls, Percy C. Everett 1957-11-25 22838 Orange on N facing banks in rocks; Upper Trabuco Canyon, 2.9 miles NE from entrance to Holy Jim Canyon. 1097 Comment
  IRVC19371  Pentagramma triangularis subsp. triangularis R. L. Allen 1975-12-29 Orange Dana Hills High School Canyon; east-facing slope under coastal sageplant. Dana Point Comment
  IRVC14090  Pentagramma triangularis subsp. triangularis K. Marvosh 1966-5-3 Orange Silverado Canyon, 400yds S community center; moist, rocky, shaded bank of stream. Santa Ana Mountains Comment
  POM184311  Perideridia gairdneri subsp. gairdneri L. M. Booth 1932-8-5 1354 Orange Lomita Land Co. Comment
  SEINET1906996  Persea borbonia R. W. Scora 1997-1 5145 Orange Scora's Persea Species Collection, Field 43, South Coast Resertch and Extension Center (Field Station), Irvine. 21 Comment
  UCR240105  Persicaria lapathifolia Dick Newell, Judy Booth 2012-9-3 284 Orange South Coast, Irvine, San Diego Creek under Campus Drive overcrossing 4 Comment
  UCR193020  Phacelia A. C. Sanders, Mitch Provance 2008-5-20 35416 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 355 Comment
  RSA17192  Phacelia brachyloba Percy C. Everett 1935-7-11 7267 Orange Santa Ana Mts, Main Divide Motorway, 1.7miles N of Jct with Trabuco Can road. 1220 Comment
  RSA539387  Phacelia brachyloba Fred M. Roberts, Carol A. Roberts 1988-6-2 4034 Orange Santa Ana Mtns: Silverado Canyon, Maple Springs Truck Trail, 4.3km above gate. 1.0 km WSW Bald Peak. 817 Comment
  POM7744  Phacelia cicutaria var. hispida Florence Breckenridge 1920-4-17 s.n. Orange Hills north of Laguna. Comment
  RSA221010  Phacelia cicutaria var. hispida E. W. Lathrop 1966-4-18 6174 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA734285  Phacelia cicutaria var. hispida A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34627 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 280 Comment
  RSA749315  Phacelia cicutaria var. hispida Fred M. Roberts, Linda Farley 2008-3-28 6820 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber s Peak, Irvine Land Conservancy. 437 Comment
  UCR239653  Phacelia cicutaria var. hispida Fred M. Roberts 2012-4-27 7544 Orange Lomas de Santiago, Loma Ridge, west of SR 241, tributary to 'Las Flores' Canyon, 1.5 km west-southwest of Irvine Lake Park Campground and 1.1 km east of Orange County Emergency Operations Center, Hill 1311 311 Comment
  RSA650551  Phacelia cicutaria var. hispida Don Rimpau 1949-5-7 s.n. Orange Santa Ana Canyon. 183 Comment
  RSA697781  Phacelia distans Minor Warne 1934-4-28 s.n. Orange Ladd Canyon-Santa Ana Mts. PR8. Comment
  RSA794328  Phacelia distans Justin M. Wood 2010-3-31 1445 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  UC718113  Phacelia distans C. B. Wolf 1935-4-7 6320 Orange San Juan Hot Springs Santa Ana Mts., San Juan Hot Springs Canyon (at mouth of canyon) 213 Comment
  UCR190963  Phacelia distans A. C. Sanders, Fred M. Roberts 2008-4-22 35040 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, valley at south end of Loma Ridge and at head of Limestone Canyon, c. 2.5 miles SW of Silverado, above spring shown on topo map 457 Comment
  UCSB52917  Phacelia distans Roberts, Jr., Fred 1985-3-10 Orange Dana Point Headlands: south of Scenic Dr., 0.3 km. W Dana Point Harbor; 0.8 km. S Richard Henry Dana School 60 Comment
Read comments
Feb 22 2019
  RSA734592  Phacelia grandiflora A. C. Sanders, Fred M. Roberts 2008-5-6 35220 Orange Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin. 216 Comment
  CHSC42166  Phacelia minor L. A. Hinman 1986-3-22 1 Orange Ca. 6 mi nw of San Juan Capistrano, in Bell Canyon, 2 mi n of hwy 74. Ca. 25 ft e of Bell Creek. 128 Comment
  RSA17169  Phacelia minor Percy C. Everett 1935-4-22 6464 Orange Along Santa Fe Rail Road above the pear orchard, Rancho Santa Ana, Santa Ana Canyon. 107 Comment
  UC484229  Phacelia minor C. B. Wolf 1931-3-6 1830 Orange Trabuco Canyon Rd 1 1/2 mi below Trabuco Oaks; W. slope Santa Ana Mts. 304 Comment
  UCR193824  Phacelia minor A. C. Sanders, Fred M. Roberts 2008-7-16 35873 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  OBI13753  Phacelia minor Barrett Anderson 1975-5-10 s.n. Orange In Cleveland Natl Forest 244 Comment
  RSA603111  Phacelia minor R. S. Woglum 1932-4-16 s.n. Orange Trabuco Canyon, Santa Ana Mountains. Cleveland National Forest. Comment
  RSA734011  Phacelia parryi A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34620 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir. 366 Comment
  RSA428288A  Phacelia ramosissima H. C. Ackley 1926-05 5984 Orange Sunset Beach. Comment
  SD72766  Phacelia ramosissima F. R. Fosberg 1931-6-21 S 5135 Orange Silverado Canyon, Santa Ana Mountains. Comment
  UCR16840  Phacelia ramosissima N. J. Moriarty 1973-5-20 730520- 5 Orange Huntington Beach, 0.6 mi. north of Newland Street on the E side of Pacific Coast Hwy (= Hwy 1) Comment
  UC537166  Phacelia ramosissima var. austrolitoralis L. M. Booth 1932-5-19 1060 Orange Newport Bay Comment
  RSA562749  Phacelia ramosissima var. latifolia Steve Boyd 1992-5-19 7445 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  UC1543020  Phalaris Donald G. Nelson 1935-4-14 290 Orange Newport Beach edge of dry mesa facing Newport Bay and the ocean (along main coast highway); facing Newport Bay, Newport Beach Comment
  IRVC18590  Phalaris aquatica Karlin G. Marsh 1980-8-13 s.n. Orange S of Trabuco Canyon, Sect. 12, Hinricks Parcel. Santa Ana Mountains Comment
  UCR170304  Phalaris aquatica Karlin G. Marsh 1982-8-13 s.n. Orange Santa Ana Mountains, south of Trabuco Canyon, Hendricks parcel 427 Comment
  CAS-BOT-BC259032  Phalaris lemmonii D. E. Bramlet 2003-6-8 3461 Orange South Coast: Fairview Park in Costa Mesa, 152 m west of Canyon School and 396 m NW of intersection of Wilson & Canyon Dr. 24 Comment
  IRVC21636  Phalaris minor R. L. Allen, Fred M. Roberts 1982-7-4 s.n. Orange Carbon Canyon, Carbon Canyon Rd., 0.6km by road SW county line; 2.3km NW Gilman Peak, Chino Hills 250 Comment
  RSA734636  Phalaris minor A. C. Sanders, T. B. Salvato 2008-5-13 35367 Orange Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  POM202587  Phalaris minor L. M. Booth 1932-5-19 1076 Orange Newport Bay. Comment
  SEINET10876692  Philodendron Thomas B. Croat 2003-4-5 Croat 87598 Orange Cultivated plants from Rick M. Cirino, Cosa Mesa, California. Originally from Brazil? Comment
  UCD120623  Pholistoma auritum var. auritum Ronni Stachelek; Bob Anderson, Frances Schropshire 1995-3-1 38 Orange Newport Beach, W side Upper Newport Bay on Back Bay Dr. ca 1/2 mi. N of Shellmaker Island. Comment
  UCR193776  Phoradendron macrophyllum A. C. Sanders, Fred M. Roberts 2008-7-3 35699 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at wash crossing, 0.95 mi. SE of Walnut Canyon Reservoir 242 Comment
  CAS-BOT-BC141054  Phoradendron serotinum subsp. macrophyllum Ira L. Wiggins 1966-3-25 20471 Orange Firestone Boy Scount Reservation, eash of Brea Comment
  RSA660595  Phyla nodiflora R. E. Riefner 2000-8-17 20 -726 Orange NCCP North Ranch Policy Plan Area. Silverado Creek near Forest Station. 328 Comment
  RSA759147  Phyla nodiflora Robert Allen 2007-4-28 s.n. Orange foothills, along Santiago Creek, N side of Irvine Regional Park 174 Comment
  RSA0061169  Phyla nodiflora Robt. Allen, Trish Smith, Mike Kahle 2006-10-27 s.n. Orange Santa Ana Mountains region: Foothills along Santiago Creek, north side of Irvine Regional Park. 174 Comment
  RSA683932  Phyllospadix scouleri E. Yale Dawson 1957-2-14 16149 Orange Laguna Beach, Orange County Comment
  RSA683962  Phyllospadix torreyi N. C. Cooper 1942-11-8 890 Orange Laguna Beach. Comment
  RSA684059  Phyllospadix torreyi E. Yale Dawson 1958-1-5 18105 Orange E side of Crystal Cove. Station no 42. 120 ft from shore base point. Comment
  UCR90501  Phyllospadix torreyi F. M. Reed 1933-6-11 7858 Orange South Coast, Reef at San Juan Capistrano Comment
Read comments
May 1 2011
  IRVC29822  Picris echioides Artie Thomas, Mark A. Elvin 2006-9-23 609234 Orange San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; SW edge, along San Diego Creek, N of University Drive, E Hwy 73. Southern Coastal 2 Comment
  RSA184125  Picris echioides I. L. Wiggins 1965-10-18 20278 Orange Vacant lot NE corner of Chapman Ave and Victor Dr, Fullerton. Comment
  RSA549230  Picris echioides Scott D. White 1992-9-23 843 a Orange Vicinity of Olinda, near city of Brea, immediately N of Carbon Cyn Rd & E of Placentia Ave.; ca. 1 mi. (airline) SSE of Tonner Cyn. 183 Comment
  UCR46555  Picris echioides B. G. Pitzer, D. C. Hawks 1986-10-21 0353 A Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, c. 10 mi east of Santa Ana, in hills N and east of South Coast Gun Club on Jeffrey Road in Hicks Canyon 183 Comment
  RSA694924  Pilularia americana H. H. T 1935-3-23 s.n. Orange Costa mesa pools 26 Comment
Read comments
May 12 2014
  RSA708231  Pilularia americana Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6160 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center., (Canyon Sch. on topos). 24 Comment
  SD136371  Pinus attenuata Carl B. Wolf 1934-12-21 Orange northeast of Sugarloaf Peak, along Main Street, Santa Ana Mountains 1160 Comment
  UC532151  Pinus attenuata C. B. Wolf 1934-12-12 6259 Orange saddle nw of Sugarloaf Pk. (Pleasants Pk.) (s slope of main ridge, 1.3 mi s of summit of Skyline Drive); Santa Ana Mts. 1158 Comment
  SEINET7882517 Image available Pinus contorta Jean Coulson 1959-1 s.n. Orange Disneyland, Orange County, California. Located on small hill E. of castle, near house of tomarrow. Comment
  RSA129457  Pinus coulteri H. E. Norton 1931-3-20 44 Orange Corona. T4S R7W [Corona Quadrangle map]. Plot #30, Corona #2. Comment
Read comments
Jul 14 2014
  RSA662562  Pinus coulteri P. Shirokawa 1998-5-7 26 Orange Cleveland National Forest- Trabuco Ranger District, 4.55 miles from Ortega Highway (State Highway 74) on North Main Divide Road 1067 Comment
  RSA7645  Pinus coulteri C. B. Wolf 1933-12-24 5386 Orange Approximately the head of Highway Canyon on slope of Modjeska Peak, on the road to the Santa Ana Mts. Altitude 4000 ft 1220 Comment
  RSA730998  Pinus halepensis Fred M. Roberts 2007-1-19 6500 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  IRVC2820  Pinus radiata Linda Stilgenbauer 1965-4-27 s.n. Orange Corona Del Mar: 339 Milford Drive. Southern Coastal Comment
  RSA759144  Piperia elongata Robt. Allen, Reginald Durant 2008-7-19 s.n. Orange Silverado Canyon, Maple Springs Truck Trail, circa 2.3 air miles E of USFS gate. Near small bridge over creek at transistion from asphalt to unpaved road. 904 Comment
  UC1178460  Piperia leptopetala Peter Kamb 1948-6-19 1103 Orange Holy Jim Canyon Santa Ana Mts. 609 Comment
  RSA725506  Piptatherum miliaceum Fred M. Roberts 2007-9-11 6569 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  UCSB48027  Piptatherum miliaceum Roberts, Fred 1980-7-7 Orange Santa Ana Mts.; San Juan Canyon, Calif. Rte. 74, 2.2 km. ENE San Juan Guard Station; 0.6 km. W Bench Mark 1100 305 Comment
  RSA450840  Piptatherum miliaceum J. Anderson 1966-6-24 680 Orange San Joaquin Hills; Bonita Canyon Reservoir in vicinity of Culver Rd. Comment
  UCR171016  Plagiobothrys acanthocarpus R. E. Riefner Jr. 2006-4-12 06- 116 Orange Irvine, north foot of San Joaquin Hills, vicinity of Quail Hill, SSW of 405 Freeway and Shady Canyon Rd. 46 Comment
  RSA732066  Plagiobothrys canescens A. C. Sanders, Fred M. Roberts 2008-3-25 34511 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA732172  Plagiobothrys collinus A. C. Sanders, Fred M. Roberts 2008-3-25 34542 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR192474  Plagiobothrys collinus A. C. Sanders, Fred M. Roberts 2008-3-25 34542 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR223980  Plagiobothrys collinus Dick Newell, Don Millar 2011-2-1 095 Orange South Coast, Shady Canyon, SSE of Irvine, 0.1 mile east of the easterly end of Canyon Creek Rd. 175 Comment
  RSA695817  Plagiobothrys collinus var. californicus L. C. Hull 1934-4-8 s.n. Orange Laguna Hills. Comment
  UC1929780  Plagiobothrys nothofulvus Scott D. White, Amanda Duchardt 2003-3-27 8858 Orange SANTA ANA MOUNTAIN FOOTHILLS: Canyon bottom and west facing slopes above Canada Gobernadora. Comment
  UCSB14544  Plagiobothrys nothofulvus Breedlove, Dennis 1962-3-9 Orange 4.4 miles east of San Juan Capistrano on State 74 112 Comment
  RSA0045607  Plagiobothrys nothofulvus Keith E. Hoffmaster 1935-2-9 840 Orange Santa Ana Mts., El Toro. Comment
  RSA0054889  Plagiobothrys nothofulvus Keith E. Hoffmaster 1932-2-28 67 Orange Santa Ana Mts. Comment
  RSA3168  Plagiobothrys nothofulvus C. B. Wolf 1932-3-8 2695 Orange Santiago Dam at W base of Santa Ana Mts. 305 Comment
  HSC3777  Plagiobothrys tenellus J. W. Johnson 1961-3-29 Orange N slope on S side of Upper Newport Beach Comment
  RSA599634  Planodes virginica Fred M. Roberts, Nigel Hancock 1995-5-25 4949 Orange Costa Mesa: Fairview Park, just west of end of Canyon Drive, 0.1 km W Canyon School 24 Comment
  SD181425  Plantago coronopus Valerie Soza, Kevin Clark, LeRoy Gross, Will Miller, 2001-4-4 1121 a Orange Anaheim Bay: Seal Beach U.S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  RSA450850  Plantago erecta Karlin G. Marsh 1978-3-16 s.n. Orange UCI Ecological Preserve: Hill #1. 58 Comment
  RSA734805  Plantago erecta A. C. Sanders, Fred M. Roberts 2008-5-6 35253 Orange Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  UC484111  Plantago erecta E. R. Johnson 1929-4-11 Orange Sierra Peak Trail Santa Ana Mts. Comment
  RSA789581  Plantago erecta subsp. erecta Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49653 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak] Comment
  RSA762  Plantago hirtella var. galeottiana J. T. Howell 1927-7-27 493 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
Read comments
Aug 19 2011
  UC729884  Plantago major Carl B. Wolf 1932-7-7 Orange 0.5 mi e Los Alamitos Blvd. (Bryant Ranch, Bryant Ave, near town, n side of road opposite Bryant Ranch) Comment
  UCR174191  Plantago major A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33026 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA698383  Plantago major Minor Warne 1934-4-14 s.n. Orange Laguna Canyon Forks. Comment
  RSA763  Plantago ovata var. fastigiata J. T. Howell 1927-6-9 70 Orange Botany Garden, Rancho Santa Ana. [original location] 152 Comment
  RSA731911  Platanus racemosa Fred M. Roberts, Sandy Leatherman 2007-11-27 6668 Orange Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge. 113 Comment
  CAS-BOT-BC226913  Plecostachys serpyllifolia R. E. Riefner, Jr. 2011-6-25 11 -73 Orange City of Laguna Beach, Moss Point, vicinity of Ocean Way at Ruby St. 6 Comment
  CAS-BOT-BC412806  Plecostachys serpyllifolia R. E. Riefner, Jr. 2014-9-27 14 -355 Orange City of Laguna Beach, NE side of Pacific Coast Highway ca. 0.25 mi SE of Aliso Creek, general vicinity of Aliso Beach County Park 13 Comment
  CAS-BOT-BC356102  Pluchea odorata John Thomas Howell 1927-9-24 3117 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  POM4883  Pluchea odorata D. L. Crawford 1916-7-26 s.n. Orange Aliso Canyon. Comment
  RSA151079  Pluchea odorata P. H. Raven 1961-10-15 16855 Orange Dyke along road to Yorba Linda just north of US Hwy 91 114 Comment
  RSA708731  Pluchea odorata Fred M. Roberts, Robert L. Allen, Chris M. Barnhill 2004-8-21 6114 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  UC421657  Pluchea odorata var. odorata John Thomas Howell 1927-9-24 3117 Orange Santa Ana Canyon 152 Comment
  UCR67014  Pluchea purpurascens A. C. Sanders 1990-10-6 10185 Orange South Coast, Newport Back Bay, SW side at North Star County Beach, SW end of the bay, c. 2 km inland from Hwy 1/ Pacific Coast Hwy 3 Comment
  CAS-BOT-BC326616  Pluchea sericea John Thomas Howell 1927-7-24 2823 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  IRVC1789  Poa annua I. L. Wiggins 1966-2-1 20405 Orange California State College, Fullerton; orange grove just E of Letters and Science Building. Southern Coastal Comment
  UCD90349  Poa annua Beecher Crampton 1967-5-23 7955 Orange Orange County, 4 miles east of Irvine, UC South Coast Field Station. Comment
  RSA91683  Poa howellii F. W. Peirson 1923-5-6 3491 Orange Trail to Santiago Peak from Holy Jim Canyon. 991 Comment
  IRVC25406  Poa secunda Fred M. Roberts 1987-4-3 3330 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
Read comments
Feb 17 2017
  RSA743463  Polycarpon tetraphyllum Fred M. Roberts 2008-7-10 7071 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  UCR219804  Polycarpon tetraphyllum Rebecca T. Vo 2010-6-5 s.n. Orange South Coast, Huntington Beach, Santa Ana River Bike path on west side of the mouth of the Santa Ana River, near Orange County Sanitation Treatment Plant, north of Pacific Coast Hwy and east of Brookhurst St. 1 Comment
  RSA562735  Polycarpon tetraphyllum Steve Boyd, Timothy S. Ross 1992-5-19 7451 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail crossing. 320 Comment
  RSA460143  Polygala cornuta var. fishiae Theodore Payne 1917-1 3122 Orange Santiago Canyon. Comment
  UCR175446  Polygala cornuta var. fishiae Mark A. Elvin, A. C. Sanders 2005-9-2 4496 Orange Peninsular Ranges, Santa Ana Mtns: Mouth of Lion Canyon, just upstream from Lower San Juan Campground 457 Comment
  CAS-BOT-BC110520  Polygonum Mrs. H. C. Cantelow 1933-7-9 431 Orange Coast near San Juan de Capistrano. Comment
  RSA708537  Polygonum arenastrum Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6102 Orange Caspers Wilderness Park, Hot Springs Cyn., Hot Springs Trail, c.a. 0.16km WSW San Juan Ranger Station, north of SR 74. 212 Comment
  JEPS51306  Polygonum argyrocoleon Lawrence M. Booth 1932-7-25 1317 Orange Santa Ana River; coastal Comment
  SD236380  Polygonum aviculare Jeffrey Ross, R. Zaka 1998-5-2 40 Orange South Coast: North side of San Joaquin hills; William R. Mason Regional Park, near intersection of Yale Ave and University drive. 24 Comment
  RSA466308  Polygonum coccineum Albert J. Perkins 1912-09 s.n. Orange Roadside ditch, Santa Ana. Comment
  RSA599648  Polygonum lapathifolium Fred M. Roberts 1995-4-21 4929 Orange Irvine: San Joaquin Hills, Quail Hill area near end of San Canyon Road, 2.9 km ENE French Hill. 49 Comment
  HSC1110  Polypodium californicum J. W. Johnson 1961-4-2 Orange Newport Beach, on steep cliff along upper Newport Bay Comment
  IRVC20354  Polypodium californicum Fred M. Roberts 1983-3-10 880 Orange Dana Point headlands: south of old cove road on cliff at west margin of Dana Point Harbor; 0.8km s of Richard Henry Dana School. Southern Coastal 50 Comment
  RSA21  Polypodium californicum J. T. Howell 1928-2-7 810 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA264148  Polypodium californicum C. W. Tilforth 1977-3-6 1255 Orange Small canyon west of Gypsum Canyon, south side of Santa Ana River, Santa Ana Canyon 152 Comment
  RSA698540  Polypodium californicum Jeanne Paxton 1934-2-25 s.n. Orange Sugar Loaf Canyon, Arch Beach Comment
  IRVC19535  Polypodium californicum R. L. Allen 1977-2-13 s.n. Orange Viejo Canyon, off Hwy 74, 15.5mi NE San Juan Capistrano; steep, rocky seep above San Juan Creek. Santa Ana Mountains Comment
  RSA697072  Polypogon interruptus Rankin s.n. Orange Irvine Park Comment
  IRVC23142  Polypogon monspeliensis Fred M. Roberts 1985-7-10 2007 Orange Capistrano Beach: San Juan Creek, 0.5km from the ocean, 0.2km N of Pacific Coast Highway. southern coastal 2 Comment
  IRVC24285  Polypogon monspeliensis Fred M. Roberts 1985-10-26 2515 Orange Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal 4 Comment
  RSA696314  Polypogon monspeliensis Anonymous s.n. Orange Santa Ana. Comment
  UCR96877  Polypogon monspeliensis Scott D. White 1993-4-28 1280 Orange Pacific slope, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Comment
  CAS-BOT-BC237511  Polypogon viridis L. R. A. 1901-6-1 1805 Orange Santiago Peak trail Comment
  RSA731923  Polypogon viridis Fred M. Roberts, Sandy Leatherman 2007-11-27 6687 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA735748  Polypogon viridis A. C. Sanders, Fred M. Roberts 2008-6-17 35494 Orange Lomas de Santiago, West Loma Ridge Spur Road c. 0.8 mi SW of Irvine Lake and 0.9 mi. SE of Sheriff's Training Facility, just east of Hwy 241 280 Comment
  CAS-BOT-BC108544  Populus balsamifera R. E. Jr. Riefner 2006-4-8 06 -111 Orange South Coast: San Juan Capistrano (city), San Juan Creek at La Novia Ave. (San Juan Capistrano 7.5' Q.) 21 Comment
  RSA644958  Populus balsamifera subsp. trichocarpa R. E. Riefner, Adrian Wolf 2000-1-24 20 -116 Orange NCCP North Ranch Policy Plan Area. Fremont Canyon: N of Saniago Creek and immediately N. of major stream fork. 305 Comment
  RSA724058  Populus balsamifera subsp. trichocarpa R. E. Riefner 2007-6-12 7 -253 Orange City of San Juan Capistrano. Vicinity of Calle Arroyo/Paseo Esteban at San Juan Creek 152 Comment
  RSA731957  Populus fremontii subsp. fremontii Fred M. Roberts 2007-12-12 6700 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  CAS-BOT-BC474727  Populus trichocarpa R. E. Riefner, Jr. 2014-11-21 14 -388 Orange City of Lake Forest, Aliso Creek, S 0.15 mi from Trabuco Rd. 145 Comment
  JEPS117746  Populus trichocarpa Mark A. Elvin, A. C. Sanders 2005-9-2 4493 Orange Santa Ana Mtns: Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Comment
  RSA663166  Populus trichocarpa R. E. Riefner 2000-3-26 20 -151 Orange NCCP North Ranch Policy Plan Area. Fremont Canyon: N. of major stream fork along W. channel drainage 335 Comment
  RSA220967  Porophyllum gracile E. W. Lathrop 1966-4-18 6188 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA488122  Porophyllum gracile Karlin G. Marsh 1984-2-15 1188 Orange Santa Ana Mtns: Casper's Regional Park, Rancho Carrillo Road, 4.4km NE visitor Center, 0.5km ENE Lucas Survey Mark, alt 415m 415 Comment
  RSA588882  Porophyllum gracile Fred M. Roberts, D. Bontrager 1990-6-5 4673 Orange Rancho Mission Viejo: Uper Gabino Canyon, near Orange County line, 3.9 kilometers E Point Ranch Survey Marker. 280 Comment
  UCR26999  Porophyllum gracile E. W. Lathrop 1966-4-18 6188 Orange Santa Ana Mtns., 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District Comment
  CAS-BOT-BC452120  Potamogeton crispus Johnston 1919-5-15 2785 Orange Santa Ana River Comment
  RSA1302  Potamogeton crispus J. T. Howell 1928-9-6 1203 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  POM201867  Potentilla anserina var. grandis L. M. Booth 1932-6-28 1215 Orange Bolsas Marsh. Comment
  SEINET3156932  Potentilla glandulosa var. nevadensis H. M. Hall 1906-7-15 7516 Orange S Fork Meadows, Santa Ana Canon, Upper Trabsition Zone Comment
  UCR50083  Pseudognaphalium biolettii B. G. Pitzer, D. C. Hawks 1986-10-21 347 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, c. 10 mi east of Santa Ana, in hills N and east of South Coast Gun Club on Jeffrey Road in Hicks Canyon 183 Comment
  SD187363  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2007-3-21 07 157 Orange San Juan Capistrano, vicinity of Calle Arroyo/Paseo Esteban at San Juan Creek. 31 Comment
  CAS-BOT-BC356984  Pseudognaphalium luteoalbum Scott D. White; Brian Leatherman 1997-6-12 5313 Orange Santa Ana Mtn. foothills. East of San Juan Capistrano: San Juan Creek between Hwy 74 bridge and Mission Vieja site, i.e., ca. 2 to 4 mi E of I-15 / Hwy 74 jtn. 75 Comment
  UC536948  Pseudognaphalium ramosissimum Lawrence M. Booth 1932-7-27 1321 Orange Corona del Mar Newport Beach, Corona del Mar Comment
  UCSB48065  Pseudognaphalium ramosissimum Roberts, Jr., Fred; Fritzke, S. 1982-4-3 Orange Dana Point Headlands; along Scenic Dr., near jct. with Cove Rd., 0.4 km. W Dana Point Harbor; 0.7 km. S Richard Henry Dana School 70 Comment
  UCD135212  Pseudognaphalium stramineum E. Frost 1996-5-11 19 Orange Newport Back Bay, 25 yards in along bike path. 7 Comment
  IRVC15160  Pseudosasa japonica D. Van Gorden 1965-5-9 Orange Silverado Canyon. Santa Ana Mountains Comment
  IRVC27729  Psilocarphus brevissimus var. brevissimus Mark A. Elvin 2004-5-2 3413 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. Southern Coastal 3 Comment
  RSA588710  Psilocarphus tenellus Fred M. Roberts 1990-5-22 4640 Orange Santa Ana Mountains; Upper Hot Springs canyon, just west of Falcon Group Camp, 1.9km ESE Los Pinos Peak. 994 Comment
  UC2046880  Psilotum nudum R. E. Riefner Jr. 2015-11-22 15 -453 Orange City of Costa Mesa, E side of Orange County Fairground, Lot #A-5, W of Newport Blvd. and N of Fair Drive. Comment
  UCR282159  Psilotum nudum R. E. Riefner Jr. 2017-1-15 17- 36 Orange South Coast, city of Newport Beach, Polaris Drive, south of Evening Star Drive, Westcliff Park, north side of Newport Bay 3 Comment
  RSA588892  Pteridium aquilinum var. pubescens Fred M. Roberts 1990-6-4 4662 Orange Santa Ana Mts. Hall Canyon, 1.8 km NNW Mustand Spring at east edge of flying B Ranch. 421 Comment
  UC1608000  Pterostegia drymarioides Donald G. Nelson 1935-4-6 207 Orange e. San Juan Capistrano (& just s. of boundary of Cleveland Nat'l Forest in Santa Ana Mts., in canyon branching n. from summer ranger station on main hwy. up San Juan Canyon); Santa Ana Mts. Comment
  UCSB48050  Pterostegia drymarioides Fritzke, Sue; Roberts, Fred 1982-4-3 Orange Dana Point Headlands: north of Dana Strand Road, 0.5km W Dana Point Harbor; 0.8km SSW Richard Henry Dana School 80 Comment
  RSA443843  Pterostegia drymarioides Gordon Marsh, K. G. Marsh 1977-5-2 s.n. Orange Santa Ana Mountains: Pine Canyon, along road above Blue Light Mine. Comment
  UCSB43273  Pterostegia drymarioides Fletcher, Martin 1980-3-29 Orange 0.5 miles west of Drakes Beach. Comment
  CAS-BOT-BC362145  Pulicaria paludosa Robert L. Pope 1960-7-9 s.n. Orange Roadside approximately 0.5 mile north of Yorba Linda turnoff, Santa Ana Canyon Comment
  CDA23087  Pulicaria paludosa Mary H. White 2006-9-23 923061 Orange Southern Coastal; San Joaquin Freshwater Marsh, UC Natural Reserve; southwest edge, along San Diego Creek, north of University Drive, east Highway 73. Comment
  RSA683921  Pulicaria paludosa Scott D. White, Matt Carlton 2003-11-20 9863 Orange Santa Ana Mountain foothills; San Juan Creek in San Juan Capistrano; (San Juan Capistrano). 24 Comment
  RSA734920  Pulicaria paludosa A. C. Sanders, Fred M. Roberts 2008-6-17 35463 Orange Lomas de Santiago, Loma Ridge on Hicks Canyon Haul Road, c. midway between Foothill Transportation Corridor and Santiago Cyn. Rd. 335 Comment
  UCR101362  Pulicaria paludosa A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1998-10-17 22266 Orange Coastal flats, Bolsa Chica, near Bolsa Bay, south of Warner Ave., east of the Pacific Coast Highway .3 Comment
  UCR151234  Pulicaria paludosa Steve Boyd, R. E. Riefner 2000-9-13 10307 Orange Peninsular Ranges; Santa Ana Mts region, Santa Ana Mountains: Fremont Canyon, about 1.5 air miles west of Oat (a.k.a. Oak) Flat and 1.5 miles southeast of Claymont clay mine. 427 Comment
  UCR174206  Pulicaria paludosa A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33059 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA573294  Pycnanthemum californicum Steve Boyd, T. S. Ross 1994-9-14 8351 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucus Canyon Trail crossing. 311 Comment
  UCSB52414  Quercus X acutidens Roberts, Fred 1982-7-9 Orange Santa Ana Mtns,: San Juan Canyon, Hwy 74, entrance to Lower San Juan Picnic ground; 1.9km NW Sitton Peak 305 Comment
  RSA12362  Quercus X grandidentata E. R. Johnson 1934-1-6 5562 Orange Santa Ana Mts., on slopes of Sierra Peak at about the head of Claymine Canyon. 762 Comment
  RSA759120  Quercus X morehus Robt. Allen, Richard Newell 2007-6-19 s.n. Orange Upper Silverado Canyon, along Maple Springs Truck Trail, 5.7 road miles up from Maple Springs forest gate, 0.8 road miles down fron junction with Main Divide Truck Trail. Near entrance to short road spur 1311 Comment
  SEINET12031056  Quercus agrifolia S. A. Thompson, Rawlins, J. E. 1988-1 5258 Orange Cleveland National Forest, 3.8 mi E of San Juan Hot Springs on CA 74 370 Comment
  RSA12734  Quercus berberidifolia E. R. Johnson 1933-11 5557 Orange Rancho Santa Ana. Comment
  RSA649691  Quercus berberidifolia R. E. Riefner Jr. 2000-7-8 20 -627 Orange NCCP North Ranch Policy Plan Area. On ridgetop overlooking W fork of Fremont Cyn.; located E of Main Divide Road along the powerline. 395 Comment
  RSA7637  Quercus berberidifolia Carl B. Wolf 1933-11-3 5539 Orange Along main Divide Motorway on west slope of modjeska Peak. 1372 Comment
  UCR132989  Quercus berberidifolia Adrian Wolf 2000-7-3 448 Orange Santa Ana Mtns., 0.4 km SE of Black Star Canyon mouth 290 Comment
  UCR273490  Quercus berberidifolia A. C. Sanders, Glen Morrison 2016-8-4 42609 Orange Peninsular Range; Santa Ana Mountains, dirt road off North Main Divide Road (Forest Rte 3S04), north of Los Pinos Spring, 3.87 km NW (286 deg. ) of El Cariso Fire Station 1101 Comment
  RSA0041587  Quercus berberidifolia E. R. Johnson 1933-11 5557 Orange Rancho Santa Ana. Comment
  IRVC29765  Quercus chrysolepis Barry S. Nerhus, Mark A. Elvin 2006-11-4 6 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  RSA697628  Quercus chrysolepis Leo Miller 1938-3-26 s.n. Orange Near top of Saddleback Mt. Comment
Read comments
Apr 26 2014
  RSA734865  Quercus chrysolepis Keith E. Hoffmaster 1931-1-1 407 Orange Santa Ana Mountains Comment
  RSA550590  Quercus dumosa Fred M. Roberts, Marsh 1988-4-26 3952 Orange San Joaquin Hills, Pelican Hill, 0.4 km SW summit. 183 Comment
Read comments
Oct 16 2013
  UCSB52406  Quercus dumosa Roberts, Fred 1982-7-8 Orange Laguna Niguel; Niguel Hill, Pacific Island, 1.7 km. SE Aliso Peak 177 Comment
  IRVC17313  Quercus engelmannii Gordon A. Marsh, Karlin G. Marsh 1979-12-12 s.n. Orange S side of Ortega Highway (74); 4 miles E of San Diego Freeway [I405]. Santa Ana Mountains Comment
  RSA688975  Quercus engelmannii Fred M. Roberts, D. E. Bramlet 2003-4-10 5645 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  RSA702211  Quercus engelmannii Fred M. Roberts, Robert L. Allen 2004-1-16 6019 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.15km W of Cristianitos Rd. 92 Comment
  CDA32098  Quercus ilex Barry S. Nerhus, Mark A. Elvin 2006-11-4 6 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal Comment
  IRVC19903  Quercus lobata Gordon A. Marsh, Karlin G. Marsh 1983-7-15 s.n. Orange San Joaquin Hills, Upper Shady Canyon. Southern Coastal Comment
  RSA697639  Quercus lobata Unspecified 1936-11 s.n. Orange Birch Park. Comment
  UCD132263  Quercus palustris Peter Evans 2013-4-20 s.n. Orange Niguel Botanical Preserve located at 29751 Crown Valley Parkway, Laguna Niguel. 99 Comment
  RSA0038510  Quercus suber R. E. Riefner Jr. 2012-11-18 12 -555 Orange city of Irvine, San Joaquin Wildlife Sanctuary, South Loop Trail, north of San Diego Creek, west of Campus Drive 8 Comment
  UCR113448  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2000-4-13 20- 361 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, upper drainage of Fremont Canyon near National Forest boundary, south of Claymore Mine 610 Comment
  UCR144740  Quercus wislizeni var. frutescens Gordon Marsh, Karlin G. Marsh 1985-9-27 s.n. Orange Santa Ana Mtns., Pine Canyon, 4.1 km NW of Modjeska Peak 805 Comment
  JEPS55026  Ranunculus californicus Alice King 1908-3-9 Orange South Main Street Santa Ana Comment
  HSC92525  Raphanus raphanistrum D. Atwood 1993-3-29 17737 Orange Huntington Beach along Beach Blvd., 0.5 mi. N of the beach Comment
Read comments
Jul 14 2012
  IRVC1140  Raphanus sativus Anonymous 1965-3-15 Orange Dover Rd. Newport Beach Comment
  IRVC1143  Raphanus sativus M. Cadnum 1965-4-1 Orange Knowell Pl. Costa Mesa Comment
  RSA743371  Raphanus sativus Fred M. Roberts 2008-4-2 6841 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  CAS-BOT-BC74227  Raphanus sativus Ira L. Wiggins 1966-2-12 20433 Orange North side of La Palma Avenue, near Harbor Boulevard, Anaheim. Comment
  CDA1075  Rhamnus alaternus D. G. Kelch 2006-12-9 6 .546 Orange Along Newport Back Bay Dr. in side canyon. Comment
  CDA25895  Rhamnus alaternus Mark A. Elvin, D. G. Kelch 2006-12-9 5300 Orange Southern Coastal; Newport Backbay; Big Canyon, lower end. Comment
  UCR119298  Rhamnus californica subsp. californica R. E. Riefner Jr. 2000-8-3 20- 711 Orange Santa Ana Mountains, North Ranch Policy Plan Area, east of Main Divide Road and Windy Ridge 535 Comment
  UCR193352  Rhamnus californica subsp. californica A. C. Sanders 2008-5-28 35441 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCSB48361  Rhamnus crocea Roberts, Fred 1982-5-22 Orange Laguna Miguel: just N of end of Pacific Island Dr., 1.6km ENE Aliso Peak, elev. 295 Comment
  CAS-BOT-BC56031  Rhamnus ilicifolia P. C. Everett 1935-6-19 7242 Orange Santa Ana Mts., Trabuco Canyon, 2 mi. below (SW.) Forest Service Patrol Station 365 Comment
  CAS-BOT-BC56039  Rhamnus ilicifolia C. B. Wolf 1931-3-6 1845 Orange 1/2 mile above Trabuco Oaks, Trabuco Canyon, west slope of the Santa Ana Mts. 457 Comment
  POM246501  Rhamnus ilicifolia Carl B. Wolf 1933-11-3 5531 Orange Silverado Canyon at base of Silverado motorway. Upper Sonoran. 732 Comment
  RSA1699  Rhamnus ilicifolia Carl B. Wolf 1931-3-6 1838 Orange Trabuco canyon, 1/2 mile above Trabuco Oaks, west slope of Santa Ana Mountains. 457 Comment
  RSA184091  Rhamnus ilicifolia I. L. Wiggins 1966-2-25 20473 Orange Firestone Boy Scout Reservation in hills E. of Brea. Comment
  RSA684301  Rhamnus ilicifolia Fred M. Roberts 2003-3-19 5607 Orange Donna O'Neill Land Conservancy: Ridges west of Cristianitos Cyn., 1,750m NNW Sycamore gate and 315m W Cristianitos Rd. (Canada Gobernadora) 192 Comment
  SBBG52716  Rhamnus ilicifolia C. Davidson 1977-5-18 5620 Orange Bear Springs, Santa Ana Mtns 121 Comment
  UCR130347  Rhus glauca A. C. Sanders, Mark A. Elvin 2003-10-12 27327 Orange Southern Coastal Slope, Irvine, UCI Arboretum, UCI campus near intersection of Jamboree Blvd. and Campus Dr. 15 Comment
  CAS-BOT-BC167875  Rhus integrifolia H. F. Copeland 1938-6-28 s.n. Orange Hills back of Laguna Beach Comment
  CAS-BOT-BC167877  Rhus integrifolia T. B. Salvato 2010-10-27 5136 Orange South Coast: Dana Point Headlands, Hilltop Park, north of Scenic Dr. and west of Green Lantern St., overlooking Dana Point Harbor 84 Comment
  SD39754  Rhus integrifolia Edith A. Purer 1932-8-31 4875 Orange Along Route 101 Comment
  UCR16589  Rhus integrifolia David M. Peterson 1966-3-9 660309- 7 Orange 3 mi east of San Juan Capistrano on the road to Elsinore 306 Comment
  CAS-BOT-BC167932  Rhus ovata Ira L. Wiggins 1966-3-22 21551 Orange Hillside at end of pavement, Silverado Canyon, about 5 mi above Ranger Station, Cleveland National Forest Comment
  CAS-BOT-BC167934  Rhus ovata John Thomas Howell 1927-7-26 2843 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 243 Comment
  IRVC83  Rhus ovata Hayden R. Williams 1966-6-12 HRW 578 Orange Costa Mesa; Orange Coast College Campus; Native Garden. Southern Coastal Comment
  RSA696221  Rhus ovata Keith E. Hoffmaster 1936-5-3 s.n. Orange Santa Ana Mts (Santiago Peak) Comment
  RSA696475  Rhus trilobata J. Vlahos 1974-04 s.n. Orange Holy Jim canyon Comment
Read comments
Mar 6 2011
  RSA0022442  Ribes amarum Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49777 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  CAS-BOT-BC93073  Ribes californicum var. hesperium Carl B. Wolf 1930-1-30 1824 Orange Claymine Canyon, Santa Ana Mountains. 457 Comment
  CAS-BOT-BC173126  Ribes indecorum Robert J. Weatherby 1950-2-25 1026 Orange Harding Canyon, Santa Ana Mts. 822 Comment
  UCR240082  Ribes indecorum Dick Newell, Don Millar 2012-5-22 259 Orange Peninsular Range; Santa Ana Mtns., on Lake View Rd. above Irvine Lake at State Spur Rd. 564 Comment
  CAS-BOT-BC168941  Ribes malvaceum B. D. Stark 1932-2-22 2662 Orange Rancho Santa Ana, Santa Ana Canyon, in canyon west of Roundtop Peak 457 Comment
  UC1127273  Ribes malvaceum R. St. John 1931-2-13 191 Orange 1 mi w Plot 100 Elsinore Trabuco Canyon; Elsinore Quadrangle 1066 Comment
Read comments
Nov 27 2011
  UCR246519  Ribes malvaceum var. malvaceum Fred M. Roberts, Sandra L. Leatherman 2013-2-13 7722 Orange Santa Ana Mountains, ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km southeast of the town of Modjeska 800 Comment
  RSA441490  Ribes malvaceum var. viridifolium Anstruther Davidson 1977-5-18 5623 Orange Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UCSB52466  Ribes malvaceum var. viridifolium Roberts, Fred; Steele, K. 1982-12-26 Orange South Laguna: Niguel Hill; near end of Sea Island Dr; 1.9km SE Aliso Peak; 1.2km E Bench Mark 133 210 Comment
  RSA0018259  Ribes roezlii Carl B. Wolf 1933-8-24 5395 Orange Summit of Santiago Peak, Santa Ana Mountains. 1707 Comment
  RSA734881  Ribes speciosum R. H. McArthur 1934-3-17 s.n. Orange Gypsum Canyon. Comment
  UCR274186  Ribes speciosum Dick Newell, Don Millar 2015-12-1 415 Orange South Coast, San Joaquin Hills, Buck Gully, Newport Beach, 0.63 mile WSW of San Joaquin Road and Newport Ridge Dr. 123 Comment
  CDA4862  Ricinus communis D. G. Kelch 2006-12-9 6 .56 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  IRVC21761  Ricinus communis Fred M. Roberts 1984-11-27 1439 Orange Novia St. bridge over San Juan Creek, 0.6km S Bench Mark 133, San Juan Capistrano 31 Comment
  JEPS51543  Romneya coulteri Alice King Jun 1908 Orange near Santa Ana (in hills) Comment
  SBBG104114  Romneya coulteri B. Pitzer, S. Hemstreet 1992-5-21 1938 Orange St Hwy 74, 1 mi uphill from the 2000 ft marker, and on left ca. 1 mi on old paved Rd 762 Comment
  UC1607972  Romneya coulteri Donald G. Nelson 1936-6-13 435 Orange E of Anaheim on S Placentia Ave. Comment
  UC1618114  Romneya coulteri Donald G. Nelson 1936-6-5 435 Orange Hills NE of Fullerton 91 Comment
  CAS-BOT-BC92178  Romneya coulteri var. coulteri A. M. White 1974-6-1 1363 Orange Ca. 20 miles east of Santa Ana, north of Silverado Canyon. 1005 Comment
  UCR5669  Romneya trichocalyx Kenneth Hibberd 1966-5-8 660508- 01 Orange El Toro Rd. 3 mi. east of El Toro. 213 Comment
  CAS-BOT-BC74421  Rorippa curvisiliqua P. A. Munz 1918-5-4 2208 Orange Laguna Lakes. Comment
  SD72247  Rorippa nasturtium-aquaticum R. S. Woglum 1932-4-16 Orange Trabuco Canyon Comment
  CDA1082  Rorippa officinalis D. G. Kelch 2006-12-9 6 .544 Orange Along Newport Back Bay Dr. in side canyon. Comment
  POM10514  Rosa californica Philip A. Munz, R. D. Harwood 1920-4-24 3752 Orange Santa Ana Mountains, Sierra [Freemont] Canyon. 366 Comment
  RSA5318  Rosa californica B. D. Stark 1932-12-30 s.n. Orange Rancho Santa Ana. River bottom below Mexican houses. 122 Comment
  RSA699220  Rosa californica W. Blanchard 1932-5-15 s.n. Orange Trabuco canyon Comment
  RSA734908  Rosa californica A. C. Sanders, Fred M. Roberts 2008-6-17 35481 Orange Peninsular Range; Santa Ana Mtns: Lomas de Santiago, Augustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  UC1128581  Rosa californica J. B. Spring 1931-3-6 23 Orange Baker Canyon Corona Quadrangle Comment
  RSA0045576  Rosa californica Minor Warne 1934-4-21 s.n. Orange Limestone Canyon by Scout Camp. Comment
  RSA652643  Rubus ursinus Matt Bogdanoff 1981-4-11 3 Orange Calif. Hwy 142, 2.5 miles (?) west of Sleepy Hollow. [Carbon Canyon Road, N of Yorba Linda] 183 Comment
  RSA797907  Rubus ursinus Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49817 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  RSA39335  Rumex acetosella E. L. Paddock 1943-5-26 12741 Orange Near Santa Fe Railway 1/8 mile east of Northam Station. Buena Park. Comment
  CAS-BOT-BC421795  Rumex conglomeratus Carl B. Wolf 1932-7-2 3823 Orange Carbon Canyon, 1/8 mi. below La Vida Springs. 213 Comment
  POM201762  Rumex conglomeratus L. M. Booth 1932-6-9 s.n. Orange Santa Ana River, 1 mile from ocean. Comment
  RSA666107  Rumex crispus Fred M. Roberts, Michelle Lee 2001-6-18 5496 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 226 Comment
  RSA232221  Rumex crispus James Henrickson 1970-8-29 5313 Orange 3 mile NE of Huntington Beach in Pasture just N of Bolsa Chica Salt Marsh; 0 Comment
  RSA527694  Rumex crispus Tim S. Ross, Annette H. Ross 1991-6-3 5520 Orange Elephant Hill: northernmost point of the Puente Hills complex. 296 Comment
  RSA713577  Rumex crispus R. E. Riefner Jr. 2005-7-9 5 -550 Orange City of Mission Viejo, Oso Creek, ca. 0.5 mi N of Paseo De Colinas on Camino Capistrano. 86 Comment
  POM2358  Rumex maritimus I. M. Johnston 1918-5-4 526 Orange San Joaquin Hills, Lakes in Laguna canon. 152 Comment
  UC205909  Rumex maritimus D. L. Crawford 1916-7-26 Orange Laguna Canyon Laguna Beach Region Comment
  UCR250322  Rumex obtusifolius A. C. Sanders, Fred M. Roberts 2008-8-7 36004 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  RSA591512  Rumex obtusifolius John Ko 1996-4-19 s.n. Orange San Joaquin Hills, Irvine, SBBM approx. 750 ft SW of Bonita reservoir. Approx. 1000 ft. N of Ford Road. 49 Comment
  RSA739329  Rumex salicifolius J. Russell Bruff 1931-6-23 s.n. Orange S Fork Santa Ana River Comment
  UCR258623  Rumex stenophyllus Fred M. Roberts 2014-7-25 7884 Orange South Coast, SAN JOAQUIN HILLS: Upper Laguna Canyon, Laguna Lake 1 (Upper Laguna Lake), north basin, c.a. 5.1 kn ENE summit Signal Hill. Laguna Coast Wilderness Park 113 Comment
  UC2048893  Rumohra adiantiformis R. E. Riefner Jr. 2016-10-27 16 -402 Orange City of Laguna Beach, Crescent Bay Drive, W of Circle Way. Comment
  CAS-BOT-BC454145  Ruppia maritima S. B. Parish; W. F. Parish 1882-10-1 1607 Orange Newport Bay Comment
  RSA689541  Salicornia bigelovii R. E. Riefner 2003-8-17 3 -335 Orange Costa Mesa, marsh along Santa Ana River, west of Talbert Regional Park. 11 Comment
  SBBG47665  Salicornia pacifica R. N. Philbrick 1973-8-31 Orange Just E of University of California, Irvine, Botanic Garden marsh Comment
  UCSB36208  Salicornia pacifica Ferren, Wayne 1980-8-27 Orange W side of Backbay Drive ca. 1.5 km. NE of Rt. 1, Newport Backbay, Newport Beach Comment
  POM707  Salicornia virginica D. L. Crawford 739 Orange Beach, Laguna Beach region. Comment
  RSA33609  Salicornia virginica N. C. Cooper 1942-11-9 887 Orange Balboa. Comment
  RSA768501  Salicornia virginica Justin M. Wood 2009-12-1 1392 Orange Santa Ana River: marsh just upstream of Pacific Coast Highway. 0 Comment
  UCR108429  Salicornia virginica L. C. Wheeler 1946-9-28 6384 Orange Newport Bay, Newport Bay 5 Comment
  POM48007  Salicornia virginica I. M. Johnston 1924-8-29 s.n. Orange 4 mi S of Santa Ana. Comment
  RSA478903  Salicornia virginica Albert J. Perkins 1917-11-3 s.n. Orange Santa Ana. Comment
  OBI5926  Salix exigua Carl B. Wolf 1932-4-15 2954 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Cyn 120 Comment
  POM201933  Salix exigua L. M. Booth 1932-6-9 1177 Orange Santa Ana River, 1 mile from ocean. Comment
  POM362552  Salix exigua Albert J. Perkins 1920-6-12 s.n. Orange Near Serra. Comment
Read comments
Nov 1 2013
  RSA5307  Salix exigua B. D. Stark 1933-1-7 4510 Orange Rancho Santa Ana, river bottom below ranch houses. 122 Comment
  RSA542353  Salix exigua Fred M. Roberts Jr., Gordon Marsh 1987-8-31 3602 Orange Santa Ana River: adjacent to Santa Ana, 0.5 km NE 17th St. bridge. 27 Comment
  UC492440  Salix exigua var. hindsiana Carl B. Wolf 1932-7-7 3843 Orange near town of Los Alamitos (Rancho Santa Ana along ditch on Bixby Ave., 1 km. w of Hansen Rd., Bryant Ranch) Comment
  CAS-BOT-BC108136  Salix gooddingii Le Roy Abrams 1903-4-16 3256 Orange Santa Ana River, near Orange Comment
  RSA366296  Salix gooddingii Fred M. Roberts Jr. 1985-6-12 1906 Orange Irvine: W.R. Mason Regional Park, Culver, 0.2km S University Dr.; 1.7km NE UC Irvine. 17 Comment
  RSA759168  Salix gooddingii A. C. Sanders 2008-5-28 35446 Orange Lomas de Santiago, Bee Flat at mouth of Limestone Canyon. 264 Comment
  SJSU207  Salix gooddingii Carl B. Wolf 1932-4-8 2950 Orange SE corner of pear orchard, Rancho Santa Ana, near R, Santa Ana Canyon 137 Comment
  CAS-BOT-BC108203  Salix hindsiana Carl B. Wolf 1932-7-7 3845 Orange Rancho Santa Ana, along ditch on Bixby Ave., 1 km. west of Hansen Road, near town of Los Alamitos 7 Comment
  LA208698  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-19 7684 Orange Santa Ana River 8 km below Prado (Rincon) [Area 7] Comment
  POM2051  Salix laevigata Philip A. Munz 1918-4-5 2023 Orange Laguna, south of town. Comment
  RSA734891  Salix laevigata A. C. Sanders, Mitch Provance 2008-5-20 35425 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile blow Modjeska Canyon confluence. 345 Comment
  SEINET959510  Salix laevigata A. C. Sanders 2006-1 33015 Orange Peninsular Range; Santa Ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to xa. 1 mile downstream , parrallel to Hwy 74 and near Riverside Co. line (sitton Peak 7.5 q) 366 Comment
  RSA0071937  Salix laevigata CNPS Accuracy Assessment Team 2014-4-28 898 .2 Orange Black Star Canyon. Comment
  IRVC8760  Salix lasiolepis Charles W. Sexton 1965-2-12 s.n. Orange Newport Beach. Southern Coastal Comment
  UCR195008  Salix lasiolepis A. C. Sanders, Fred M. Roberts 2008-8-7 35985 Orange Peninsular Range; Santa Ana Mtns., lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 192 Comment
  SEINET4094138  Salix lasiolepis E. D. Crow 1929-1 257 Orange Santa Anna Mountains. Southern California. Comment
  CAS-BOT-BC126303  Salix sessilifolia Carl B. Wolf 1932-4-15 2954 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon 120 Comment
  CAS-BOT-BC126309  Salix sessilifolia Carl B. Wolf 1932-4-15 2954 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon 120 Comment
  UCR136676  Salpichroa origanifolia E. L. Paddock 1943-5-19 12747 Orange 1 mi east of Brea 107 Comment
  CDA3167  Salsola australis R. E. Riefner Jr. 2007-3-18 07 -152 Orange City of Newport Beach. North shore of Newport Bay, Dover Beach, general vicinity of Morning Star Lane and Polaris Drive. Comment
  UCR222887  Salsola australis T. B. Salvato 2010-10-27 5111 Orange South Coast, Dana Point Headlands, Harbor Point Park, south of Scenic Dr. and Cove Rd., beyond the end of Green Lantern St., overlooking Dana Point Harbor 70 Comment
  CHSC118879  Salsola australis R. E. Riefner Jr. 2007-1-20 07 -16 Orange City of Lake Forest, along Bake Pwky. At Dimension Rd. (NAD 83) 11S 0437348E 3725534N. 217 Comment
  CAS-BOT-BC176976  Salsola tragus John Thomas Howell 1927-7-27 2857 Orange Hills on n. side of Santa Ana [Canon] 152 Comment
  IRVC418  Salsola tragus A. Adams 1965-5-2 Orange Newport Beach, Corona del Mar, Little Corona Beach. Southern Coastal Comment
  RSA411337  Salvia apiana N. C. Cooper 1949-5-1 3944 Orange San Juan Canyon. 457 Comment
  RSA734693  Salvia apiana A. C. Sanders, Fred M. Roberts 2008-6-17 35502 Orange Weir Canyon, Windy Ridge Rd., saddle on ridge at head, above the Eastern Transportation Corridor. 400 Comment
  RSA722335  Salvia carnosa Seacord s.n. Orange Victor Valley-Mohave. Comment
  RSA401440  Salvia columbariae M. B. Dunkle 1933-3-5 3079 Orange San Juan Canyon 305 Comment
  SEINET3242545  Salvia columbariae Norman C. Cooper 1944-1 1349 Orange Elsinore Mtn. Orange Co. 1067 Comment
  JEPS62728  Salvia leucophylla Frank W. Peirson 1927-6-20 7349 Orange Rancho Santa Ana; Mrs. Bryant's 182 Comment
  RSA294797  Salvia mellifera Lyman Benson 1946-5-13 12098 Orange Corona del Mar, Pacfic Ocean drainage area 50 Comment
  RSA434144  Salvia mellifera E. A. McGregor 1964-6-4 s.n. Orange On Highway 74, between Elsinor and San Juan Capistrano. 915 Comment
  RSA550593  Salvia mellifera Fred M. Roberts 1989-4-26 4321 Orange Santa Ana Mtns.: Lower Blind Canyon near mouth, 9.2km SW Sierra Peak, 1.0km N Irvine Lake spillway. 213 Comment
  RSA590946  Salvia mellifera Fred M. Roberts 1991-5-2 4779 Orange San Joaquin Hills: Laguna Canyon, Laguna Laurel, just west of Laguna Canyon Road, c. 2 km N junction El Toro Road, 4.5 kilometers E Signal Peak. 110 Comment
  RSA658202  Salvia mellifera T. A. Daubert 1991-5-19 652 Orange Tucker Wildlife Sanctuary, Modjeska Canyon inside sanctuary. Comment
  SD232708  Salvia mellifera Mallory, McCoy 1995-6-30 Orange S-facing slope in chaparral on Windy Ridge, approx. 2.5 mi. S of 91 frwy, within footprint of the Eastern Transportation Corridor. Comment
  UCR220026  Salvia mellifera Rebecca T. Vo 2010-6-5 s.n. Orange South Coast, Huntington Beach, Santa Ana River Bike path on west side of the mouth of the Santa Ana River, near Orange County Sanitation Treatment Plant, north of Pacific Coast Hwy and east of Brookhurst St. 1 Comment
  UCR83406  Salvia mellifera Jan West 1994-4-5 s.n. Orange Upper Bluebird Canyon, SE of Laguna Beach, at a park in the hills east of the head of Bluebird Canyon Road and east of housing developments. Comment
  UCSB12637  Salvia mellifera Whittington, M. 1962-4-20 Orange Modjeska grade road; between Modjeska and Trabuco Canyon Comment
  RSA751396  Salvinia minima Rick E. Riefner Jr. 2008-7-9 8 -219 Orange City of Laguna Beach, bluff area W of West St. and Pacific Coast Highway. 4 Comment
  POM201930  Sambucus mexicana L. M. Booth 1932-5-27 s.n. Orange Newport Bay. Comment
  RSA226633  Sambucus mexicana Christopher Davidson, G. Benny 1971-6-15 1552 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring. Comment
  RSA788901  Sambucus nigra Fred M. Roberts 2008-6-12 7039 Orange Lomas de Santiago: Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd. 251 Comment
  CAS-BOT-BC238832  Sambucus nigra subsp. caerulea John Thomas Howell 1927-6-1 Orange Southern Puente Hills, Santa Ana Canon [Canyon] 152 Comment
  UCSB25661  Samolus parviflorus Booth, Lawrence 1932-7-19 Orange Bolsas Creek Comment
  UCR192231  Sanicula arguta A. C. Sanders, Fred M. Roberts 2008-5-6 35268 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  RSA598960  Sanicula crassicaulis Scott D. White 1997-3-28 4832 Orange Above Modjeska Canyon, proposed water tank site 425 Comment
  UC1022510  Sanicula crassicaulis C. Ritchie Bell 1953-2-22 1387 Orange near sw edge of San Clemente State Park, above old dam San Clemente State Park Comment
  RSA471481  Sanicula graveolens Christopher Davidson 1977-5-18 5606 Orange Cleveland National Forest; Santiago Peak (on Orange-Riverside Co. line) 1706 Comment
  RSA97369  Sanicula graveolens F. W. Peirson 1923-5-6 3500 Orange open area at summit of Santiago Peak, Santa Ana Mountains. 1732 Comment
  RSA725514  Schinus molle Fred M. Roberts, Robert L. Allen 2007-9-28 6616 Orange Lomas de Santiago: above lower Santiago Cyn. wash along Santiago Cyn. Rd. just south of Irvine Mesa, 3.3 km N Bolero Lookout. 332 Comment
  RSA650238  Schinus molle R. Spence 1974-7-27 s.n. Orange Mission Viejo Comment
  SD124484  Schinus terebinthifolius Barry A. Prigge 1983-12-17 5520 Orange Santa Ana Marsh, southeasternmost part of oil field just north of Pacific Coast Highway between remnant Santa Ana River channel and dirt road. Comment
  UCR43573  Schinus terebinthifolius B. A. Prigge 1983-12-17 5520 Orange Santa Ana Marsh and adjacent lowlands. SE-most part of oil field just north of Pacific Coast Hwy between remnant Santa Ana River channel and dirt road 2 Comment
  RSA797601  Schoenoplectus Robert F. Thorne 1977-11-21 49998 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  POM1390  Schoenoplectus californicus D. L. Crawford 1916-7-26 s.n. Orange Laguna Canyon. Comment
  RSA357009  Schoenoplectus californicus Robert F. Thorne 1975-4-6 4573 Orange San Joaquin Marsh: Near Irvine and coast. Comment
  UCR157695  Schoenoplectus californicus Adrian Wolf 1998-5-15 268 Orange South Coast, Lambert Reservoir, north of El Toro Marine Corps Air Station 134 Comment
  UCR210371  Schoenoplectus californicus T. B. Salvato, Billy Deane 2006-10-16 1937 Orange South Coast, Irvine, San Diego Creek flood control channel, between Michelson Drive and the 405 FWY 12 Comment
  RSA0059073  Schoenoplectus californicus CNPS Accuracy Assessment Team 2014-7-7 9313 Orange San Joaquin Freshwater Marsh Reserve. Comment
  IRVC29727  Scirpus americanus Mark A. Elvin, Barry S. Nerhus 2006-11-4 5258 Orange Huntington Beach; 1.5 km SW of Wintersburg, SW of jct Slater and Goldenwest; Shipley Nature Center. Southern Coastal 1 Comment
  UC729885  Scirpus californicus Carl B. Wolf 1932-7-7 3862 Orange Bryant Ave. 1/2 mi e Los Alamitos Blvd. (near the town n side of road, opposite Bryant Ranch); Bryant Ranch Comment
  UCR231159  Scrophularia californica Dick Newell, Don Millar, Shara Harris 2011-6-21 190 Orange Peninsular Range; Santa Ana Mtns., mouth of Fremont Canyon near Irvine Lake dam spillway 231 Comment
  UCR234150  Scrophularia californica Dick Newell, Judy Booth 2012-3-30 240 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road, Cleveland National Forest 258 Comment
  UCSB52936  Scrophularia californica Roberts, Fred 1984-4-29 Orange Temple Hill above Laguna Cyn. 6,5km SE Signal Peak; 0,6km E BM 104 195 Comment
  RSA425212  Scrophularia californica subsp. floribunda N. C. Cooper 1944-6-4 1371 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA701800  Scrophularia californica subsp. floribunda Fred M. Roberts, David E. Bramlet 2003-6-6 5889 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.7km SW int. Cristianitos and TRW Rds. and 0.23km W of SDGandE substation. 94 Comment
  CAS-BOT-BC61962  Selaginella John Thomas Howell 1927-6-26 2611 Orange Claymine Canyon, n. Santa Ana Mts. 457 Comment
  LA209608  Selaginella asprella Lawrence L. Kiefer; 1963-12-8 1112 Orange Santa Ana Mountains, road to Santiago Peak from Silverado, bluff above road, ca. 1.5 mi below summit of peak 1523 Comment
  RSA15  Selaginella bigelovii John Thomas Howell 1927-7-24 473 Orange Claymine Canyon, near Sierra Peak 167 Comment
  RSA594877  Selaginella bigelovii Fred M. Roberts, Rick Riefner 1992-2-15 4832 Orange Lomas De Santiago: Foothill Ranch north of El Toro Road, c. 4.7 kilometers SSE Bolero Lookout. 295 Comment
  IRVC22654  Selaginella cinerascens D. Bramlet, W. Wright 1986-5-4 Orange knoll above Segundo Deschecha Canada and west of Christianitos Canyon Rancho Mission Viejo 212 Comment
  RSA450849  Senecio aphanactis Karlin G. Marsh 1978-3-16 s.n. Orange UCI Ecological Preserve: Hill #1 52 Comment
  RSA587117  Senecio aphanactis R. E. Riefner 1994-3-28 94 -206 Orange San Clamente State Beach Comment
  RSA749849  Senecio californicus D. Bramlet, Jim Harrison 2008-4-3 4148 Orange South Bee Canyon, Bowerman landfill site. 1.2 km S of the Bee Cyn. access road, and 122 m W of the active landfill. Comment
  CAS-BOT-BC333070  Senecio flaccidus var. douglasii John Thomas Howell 1927-7-16 2779 Orange North side of Santa Ana Canyon 152 Comment
  UCR247540  Senecio flaccidus var. douglasii Dick Newell, Judy Booth 2013-9-22 339 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, North Main Divide Road, 2.2 air miles due east of Los Pinos Peak 938 Comment
  RSA702682  Senecio linearifolius Scott D. White, Michael Honer 2004-5-17 10401 Orange South Coast: City of Laguna Niguel. Ridges and open slopes directly north of the intersection of Crown Valley Parkway and Pacific Island Dr. 61 Comment
  OBI64679  Senecio linearifolius var. linearifolius Scott D. White 2004-7-7 10606 Orange South Coast: Laguna Niguel (Dana Point: T8S R8W S9 Comment
  UC1928639  Senecio linearifolius var. linearifolius Scott D. White 2003-7-7 9613 Orange Coastal plain: Irvine. UC Irvine Campus. Directly west of T-intersection of Shady Canyon Cr. w/Bonita Canyon Dr. (= Culver Dr.). Comment
  RSA383927  Sequoia sempervirens Albert J. Perkins 1915-3-30 s.n. Orange [Timmon s Dooryard] N. Main St. Santa Ana Calif. Comment
  POM202735  Setaria parviflora L. M. Booth 1932-7-18 1264 Orange Costa Mesa, Newport Bay Comment
  RSA682910  Sidalcea malviflora Scott D. White, Amanda Duchardt 2003-5-1 9159 Orange Santa Ana Mountain Foothills: Slopes above west side of Trampas Canyon. 107 Comment
  RSA732152  Sidalcea malviflora A. C. Sanders, Fred M. Roberts 2008-4-22 35018 Orange Santa Ana Mtns.: Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado. 1200 Comment
  RSA329668  Sidalcea malviflora Gary D. Wallace 1966-4-16 480 Orange Along Hwy 101 about 10 miles north of Camp Pendleton. Comment
  CAS-BOT-BC205742  Sidalcea neomexicana subsp. thurberi LeRoy Abrams 1903-4-17 3257 -a Orange Between Tustin and Myford Comment
  CAS-BOT-BC205744  Sidalcea neomexicana subsp. thurberi Carl B. Wolf 1936-5-25 7822 Orange East of Los Alamitos, at Northwest corner of Hansen Road & Bryant Ave. 15 Comment
  POM156679  Silene antirrhina L. R. Abrams 1903-4-18 3272 Orange Trabuco arroyo, near San Juan Capistrano. Comment
  CAS-BOT-BC386897  Silene gallica Ira L. Wiggins 1966-4-30 20573 Orange field along south side of Brea Olinda Boulevard, near Carolina Avenue. Comment
  RSA184079  Silene gallica I. L. Wiggins 1966-5-1 20573 Orange Closely grazed field along south side of Brea Olinda blvd, near Carolina Ave. Comment
  UCR16182  Silene laciniata Kenneth Hibberd 1966-5-8 660508- 2 Orange Santa Ana Mountains, Modjeska Canyon, 2 mi. north of the El Toro Road [S18] junction 396 Comment
  CAS-BOT-BC175065  Silene verecunda L. R. Abrams 1901-6-15 1846 Orange Santiago Peak Comment
  UCR193795  Silybum marianum A. C. Sanders, Fred M. Roberts 2008-7-3 35695 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 285 Comment
  POM196703  Sinapis alba E. Johnson 1930-3-1 s.n. Orange N of El Modeno Comment
  RSA653212  Sinapis arvensis David Barrios 1991-5-1 9 Orange Yorba Linda, 1500 ft. northwest of Fairmont Ave and Quail Circle. 365 Comment
  RSA682755  Sinapis arvensis Scott D. White, Amanda Duchardt 2003-3-27 8849 Orange Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  CAS-BOT-BC75238  Sisymbrium irio Ira L. Wiggins 1966-2-12 20443 Orange Orange grove on west side of State College Boulevard, opposite Electra Way, Fullerton. Comment
  UCR209344  Sisymbrium irio Fred M. Roberts 2008-4-15 6900 Orange Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, east ridge, Conservation Trail, 1.6 km east-southeast of Rattlesnake Reservoir Dam and 2.7 km west-southwest of Bee Peak, Irvine Ranch Conservancy 172 Comment
  IRVC1190  Sisymbrium orientale D. Frees 1965-3-27 Orange Newport Beach; East Bluffs. Southern Coastal Comment
  JEPS89207  Sisymbrium orientale Rimo Bacigalupi, L. Heckard, P. C. Hutchison 1962-3-16 8229 Orange 2 mi n of Doheny Beach State Park (along U.S. 101) Comment
  RSA734651  Sisyrinchium bellum A. C. Sanders, Fred M. Roberts, Amber O'Neal, David E. Bramlet 2008-5-9 35299 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along old dirt road c. 1.25 mi. ESE of Walnut Cyn Reservoir. 340 Comment
  UCR16603  Sisyrinchium bellum Nancy Robb 1966-4-15 s.n. Orange 3 miles SE of Yorba Linda, 1 mi south of Santa Ana Canyon Road 122 Comment
  UCR192074  Sisyrinchium bellum A. C. Sanders, Fred M. Roberts 2008-5-6 35250 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  UCR241899  Sisyrinchium bellum Fred M. Roberts 2012-4-24 7536 Orange Peninsular Ranges; coastal foothills, San Joaquin Hills, Buck Gully, above main trail, 2 km W Signal Peak and about 0.4 km S San Joaquin Hills Road 155 Comment
  SEINET4171050  Sisyrinchium bellum J. R. Glen 1957-5-3 Orange 1/2 mile from the San Bernardino county line, about 3 miles east of Olinda on the Carbon Canyon road Comment
  IRVC24222  Sitanion jubatum Fred M. Roberts, Karlin G. Marsh, Gordon Marsh 1985-10-1 2279 Orange Silverado Canyon, Silverado Canyon Road, 1.0km by road E junction Santiago Canyon Road. Santa Ana Mountains 320 Comment
  JEPS12062  Solanum americanum Lawrence M. Booth 1932-6-28 1213 Orange Bolsas Creek Comment
  RSA782057  Solanum americanum Mark A. Elvin 2003-2-23 2314 Orange Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  SEINET237157  Solanum americanum Scott D. White, Brain Leatherman 1997-6-12 5309 Orange Santa Ana Mtn. foothills. East of San Juan Capistrano: San Juan Creek between Highway 74 bridge and Mission Vieja site 250 Comment
  UCR217467  Solanum americanum Mark A. Elvin 2003-2-23 2314 Orange South Coast, Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  HSC21301  Solanum douglasii S. M. Clapp 1966-4-7 22 Orange 3 mi. from Modjeska Canyon towards Silverado Canyon 152 Comment
  RSA747697  Solanum douglasii Fred M. Roberts 2008-4-16 6915 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 71 Comment
  UCR102001  Solanum douglasii B. G. Pitzer 1997-3-25 3035 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, on bluffs immediately above beach, along trail that winds around restoration area and down to beach. 30 Comment
  RSA0020269  Solanum douglasii E. W. Lathrop 1974-6-27 7414 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  UCSB18231  Solanum douglasii Daniel, Dick 1964-3-28 Orange Silverado Canyon Road; 5.1 miles NW of junction with Santiago Canyon Road; approximately 10 miles W of Irvine Lake 365 Comment
  RSA733737  Solanum elaeagnifolium Unspecified s.n. Orange Costa Mesa. Comment
  UCD126949  Solanum nigrum R. Townsend 1939-12-28 158 Orange Highway west of Atwood. Comment
  SD247737  Solanum umbellatum R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 49672 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 456 Comment
  POM212351  Solanum umbelliferum Carl B. Wolf 1931-3-6 1862 Orange North of base of Trabuco Modjeska Grade, west slope of Santa Ana Mts. 305 Comment
  UCR209669  Solanum umbelliferum var. glabrescens Fred M. Roberts, Lee Ann Carranza 2008-4-16 6916 Orange South Coast, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west of the Marine Institute, Dana Point Harbor 71 Comment
  RSA0045318  Solanum xanti Pomeroy 1929-2-10 72 Orange Silverado Canyon. PR8. Comment
  UCSB41816  Solanum xanti Rowlands, Peter 1970-2-7 Orange Modjeska Cyn.; 1 mi.up oyn. from Tucker Wildlife Sanctuary on property of Norman FIemming 487 Comment
  RSA7652  Solidago californica E. R. Johnson 1933-9-25 5524 Orange Muddy Springs near Roundtop, Santa Ana Rancho 366 Comment
  UC537016  Solidago confinis L. M. Booth 1932-12-26 1383 Orange Newport Lagoon Comment
  RSA943  Solidago confinis J. T. Howell 1927-10-29 s.n. Orange Bryant Ranch near Long Beach. 15 Comment
  UCR186132  Solidago occidentalis T. B. Salvato, Katie Kurtz 2006-10-15 1922 Orange South Coast, Irvine, San Diego Creek flood control channel, near Michelson Drive and Harvard Avenue 6 Comment
  LA203964  Solidago velutina subsp. californica W. Pequegnat; 1937-9-3 sn Orange Santa Ana Mountains, Santiago Peak Comment
  UCR250137  Solidago velutina subsp. californica Dick Newell, Judy Booth 2013-11-17 342 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Rd., Cleveland National Forest, 1.5 mil. NE of Maple Springs gate 701 Comment
  UCR192457  Sonchus asper A. C. Sanders, Fred M. Roberts 2008-3-25 34553 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA5505  Sonchus oleraceus C. B. Wolf 1932-6-28 3759 Orange Along western half of no. boundary of 40 acre Valencia Orange grove at Bryant Ave. and Hansen Road. 9 Comment
  SEINET179461  Sonchus oleraceus Lawrence Booth 1932-6-15 1193 Orange East of Huntington Beach, Marsh border Comment
  CAS-BOT-BC374662  Sonchus oleraceus Ira L. Wiggins 1965-11-6 20334 Orange West side of Atwood Comment
  IRVC922  Sonchus oleraceus M. Munier 1965-4-10 Orange Comment
  RSA658626  Sonchus oleraceus John L. Stevens 1969-5-5 39 Orange On CSF campus, in flower bed. 158 Comment
  UCD136210  Sonchus oleraceus Ira L. Wiggins 1966-3-5 20514 Orange 1/2 mile W of El Toro P.O. along Highway S-18. Comment
  RSA750063  Sorghum bicolor A. C. Sanders, Fred M. Roberts 2008-9-18 36066 Orange Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 320 Comment
  POM186307  Spartina foliosa Joseph A. Ewan 1932-7-28 7709 Orange East end of Newport Bay Comment
  RSA483177  Spartina foliosa George R. Johnstone 1927-8-15 s.n. Orange Anaheim Landing Comment
  UCSB36211  Spartina foliosa Ferren, Wayne 1980-8-27 Orange Tidal channel of Newport Backbay, W of Backbay Drive ca. 1.5 km NE of Rt. 1, Newport Beach Comment
  RSA184104  Spergula arvensis I. L. Wiggins 1966-3-5 20515 Orange 1/2 mile W of El Toro along Hwy 18 Comment
  RSA801710  Spergula arvensis D. M. McF 1953-4-3 s.n. Orange Irvine Coast G.C. Corona Del Mar. Comment
  SEINET3155830  Spergularia macrotheca L. Abrams 1903-4-17 3258 Orange between Tustin and Myford Comment
  RSA0097841  Spergularia macrotheca var. macrotheca Fred M. Roberts, Julie Vanderwier 1997-4-29 5019 Orange Bolsa Chica Salt Marsh (US Fish & Wildlife Service cell 17); west of old oil field, 1.7 km SSE of Chica Survey Mark. 0 Comment
  RSA0098512  Spergularia marina Scott D. White 1998-6-26 6780 Orange South Coast: Univ. of Calif. Irvine Campus. Along mapped intermittent blueline stream just N of Bonita Cyn Dr. 61 Comment
  RSA0098516  Spergularia marina Elroy Robinson 1936-6-26 s.n. Orange El Torro, along Santa Fe Railway. Comment
  UCD63552  Sphaeralcea ambigua var. rosacea D. Sanchez-Mata 2006-7-1 s.n. Orange Laguna Niguel. Dana Point Highlands. Pacific Island Drive. 70 Comment
Read comments
Mar 23 2010
  IRVC26736  Spiloxene scullyi Mark A. Elvin, J. Liou, J. Carpenter, J. Nguyen 2004-3-8 3174 Orange UCI Arboretum Southern Coastal 15 Comment
  RSA68  Sporobolus airoides J. T. Howell 1927-6-21 181 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  UCR207566  Sporobolus indicus O. F. Clarke 2004-1 s.n. Orange South Coast, Yorba Regional Park, between Yorba Linda and Anaheim Hills 91 Comment
  UCLA70972  Stachys ajugoides var. rigida C. Epling, H. Lewis Jun 1940 Orange near Summit (Ortega Road); Santa Ana Comment
  RSA82568  Stachys rigida subsp. quercetorum F. W. Peirson 1924-5-31 4657 Orange Open Canyon, Laguna Beach. 91 Comment
  RSA717155  Stachys rigida subsp. rigida Fred M. Roberts, Chris M. Barnhill 2005-9-27 6284 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4 km E Mission San Juan Capistrano. 27 Comment
  SEINET9332031  Stachys rigida var. quercetorum Unknown 2004-5-4 007 Orange Crystal Cove State Park Comment
Read comments
Oct 26 2017
  SEINET9364763  Stachys stebbinsii A. Sanders, Balk, Michelle 2006-7-20 33018 Orange Peninsular Range; Santa Ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to ca. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line (Sitton Peak 7.5' topo.) Canyon bottom; moist rocky sand and flowing water; oak riparian forest with Quercus agrif., Platanus rac., Salix laev., S. las., Baccharis salic., Rubus ur., Vitis gird., Artemisia doug., etc. Comment
  RSA0106593  Stebbinsoseris heterocarpa Scott D. White 1998-3-18 6213 Orange UCI Campus: Site of proposed Research Park, Southwest of main campus circle, ca. halfway between Berkley Ave. and new Freeway (Bonita Cyn.). Plains dissected by a series of gullies. 37 Comment
  CAS-BOT-BC374782  Stebbinsoseris heterocarpa K. L. Chambers 1954-4-24 482 Orange Hwy. 18-91, Santa Ana Canyon, 7 mi. e. of Olive (hence 11 mi. e. of junction with Hwy. 101 in Anaheim) Comment
  RSA0119681  Stellaria media Fred M. Roberts 2015-3-10 7924 Orange San Joaquin Hills: Niguel Hill, on ridge above Aliso Canyon ear end of Ceanothus Drive (Hangover House property), 0.4 km WNW summit Aliso Peak. 122 Comment
  CAS-BOT-BC393821  Stellaria media Ira L. Wiggins 1965-11-5 20329 Orange N side of Chapman Avenue near Kraemer Road Comment
  RSA184167  Stellaria media I. L. Wiggins 1966-3-1 20484 Orange Orange grove at corner of South Campus Dr. and State College Blvd. Fullerton Comment
  RSA696565  Stellaria media Marjorie Smith s.n. Orange High School Campus. Comment
  UCR231058  Stephanomeria cichoriacea A. C. Sanders, Kent Beaman 2011-9-27 39916 Orange Peninsular Range; Santa Ana Mtns., 1.7 km NW (307 deg. ) of Santiago Peak along the road 1460 Comment
  RSA756324  Stephanomeria diegensis A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37198 Orange Lomas de Santiago, Limestone Canyon, west of Limestone Canyon Rd. 366 Comment
  UCR177707  Stephanomeria diegensis Fred M. Roberts, D. E. Bramlet 2004-11-5 6128 Orange Rancho Mission Viejo; Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road 146 Comment
  UCR186593  Stephanomeria diegensis Robert DeRuff 1994-1 462 Orange Southern Coast, Newport Beach, Upper Newport Back Bay, Newporter Canyon 8 Comment
  UCR197706  Stephanomeria exigua subsp. deanei A. C. Sanders, Fred M. Roberts 2008-9-18 36083 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  CAS-BOT-BC375866  Stephanomeria virgata Joseph Andorfer Ewan 1932-7-28 7706 Orange Seaward bluffs at Corona del Mar Comment
  SD95151  Stipa coronata Jack L. Reveal 1975-7-18 1764 Orange Occasional among boulders at upper edge of riparian zone, Trabuco Canyon. 550 Comment
  UCR192109  Stipa coronata A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35310 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir 346 Comment
  UCR98243  Stipa lepida Scott D. White 1997-3-28 4839 Orange Santa Ana Mountains, Above Modjeska Canyon, proposed water tank site. 488 Comment
  POM6313  Stuckenia pectinata L. T. Street, Williams 1919-5-4 2690 Orange Laguna Lakes. [now Big Laguna Lake, San Diego Co.] Comment
  HSC6239  Stylocline gnaphaloides J. W. Johnson 1961-3-29 Orange Newport Beach, N slope overlooking upper Newport Bay Comment
  RSA737541  Stylocline gnaphaloides Fred M. Roberts 2008-3-12 6720 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  CHSC116479  Styrax officinalis var. fulvescens R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49686 Orange Northern Santa Ana Mountains: Sierra Peak. [ locality information from field label; note on newspaper 'near Beek's Place, Skyline Drive crest, MDT Trail' (Main Divide Truck Trail] 899 Comment
  RSA594808  Styrax redivivus Fred M. Roberts Jr., K. Nowak 1995-4-19 4926 Orange Lower Hot Spring Canyon, San Juan Trail, 0.5 km NW Juan Rancho Survey Mark. 335 Comment
  RSA725580  Styrax redivivus Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6534 Orange Along dirt road on ridge between Fremont and Black Star Cyns., 5.2km ENE Irvine Lake Spillway and 1.7km W Hidden Ranch. 739 Comment
  SBBG128686  Styrax redivivus R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49686 Orange Sierra Peak, Skyline Drive crest, MDT 'Trail' (Main Divide Truck Trail); n Santa Ana Mtns 900 Comment
  UCSB10703  Styrax redivivus Lloyd, Robert 1959-4-17 Orange 8.5 miles south of West Corona on the Oak Flats Fire Road 883 Comment
  RSA611262  Suaeda esteroa L. C. Wheeler 1946-9-28 6385 Orange Newport Bay. Comment
  POM122880  Suaeda taxifolia Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  RSA18528  Suaeda taxifolia C. B. Wolf 1927-7-23 669 Orange Along the coast just north of San Clemente. Comment
Read comments
Jun 3 2013
  UC1007087  Suaeda taxifolia Allan C. Keller 1937-11-26 Orange Doheny Palisades Doheny Palisades (Highway 101) 6 Comment
  UCSB48081  Suaeda taxifolia Roberts, Fred 1981-11-15 Orange Newport Beach: Upper Newport Back Bay; Bayside Dr.; 0.2 km. N central parking area 2 Comment
  UCSB48376  Suaeda taxifolia Roberts, Dar; Roberts, Fred 1982-4-19 Orange Newport Beach: Upper Newport Backbay; Back Bay Dr.; 0.8 km. N by road Jamboree Rd.; 2.1 km. E Newport Harbor High School 3 Comment
  UC29835  Symphyotrichum defoliatum C. W. Hamlin 1896-1 25 Orange Buena Park Comment
  UC537257  Symphyotrichum defoliatum L. M. Booth 1933-9-8 1392 Orange back of, roadside Lomita Gun Club; Anaheim Marsh Comment
  CAS-BOT-BC97982  Symphyotrichum hesperium Frank W. Peirson 1924-10-19 5241